Why Mozilla?

Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser, and Pocket, a service for keeping up with the best content online. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people. 

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distributeopen-sourcesoftware that enables people to enjoy the internet on their terms. 

What is a Staff Software Engineer at Mozilla?

A Staff Software Engineer is the nextlevel froma Senior Software Engineer. At Mozilla this role can vary, but typically a Staff Engineer leads projects that require you to influence or direct the work of several engineers. Providingtechnical leadership, building team relationships, and helping the teams deliver on their objectives. The Staff Engineer is anexpertin their domain. They provide feedback on our strategy and team goals, turning strategy into coordinated action for the team. They mentor others by stewarding responsibilities to junior and senior engineers so they can take on new ones, while collaborating with management on building team consensus and providing technical direction. 

About this team and role:

The Mozilla Corporation's networking team is looking for a skilled developer to work on a first-class networking stack and improve web experiences for many millions of Firefox users on desktop and mobile. The team is working on the core of the browser that moves the web. The fundamental network protocols and features like HTTP, QUIC, caching and DNS are our responsibility. We strive to provide a performant and secure browsing experience for our users. Furthermore, we work on advanced web platform networking API’s likeFetch,WebSocketsandWebTransport. We improve our existing implementations and together with the broader community we advance the web through making contributions to the evolution of relevant standards. 

Is improving networking protocols or multi-threaded applications  an exciting challenge for you? If you’re also enthusiastic about working collaboratively with a worldwide community, we'd love to hear from you!

Opportunities to collaborate with other browser teams, and working in the open is the norm. Firefox is a mature open source project always looking for new improvements. Much of Firefox is written in C++, but most recent components are written in Rust, including our QUIC stack. You’ll be responsible for defining projects, writing open source code, tests, specifications, building prototypes, solving problems, and analyzing data. You are encouraged to present your work in the web community, collaborate with academia, or contribute to relevant Internet standards. You'll get feedback from real users and synthesize it into bug reports, feature designs, and strategic direction to make the web platform even better over time.

What you’ll do:

• Improve Firefox’s web browsing experience with a particular focus on the networking stack, network related protocols and API’s, e.g.QUIC,Fetch,WebSockets,WebTransport, etc.
• Design and implement new web platform features, or improvements to existing ones, in collaboration with the web community.
• Diagnose and fix problems in our multi-threaded codebase.
• Diagnose and fix platform-specific networking issues.
• Improve Firefox’s stability, correctness and performance.
• Analyze and reduce Firefox’s memory usage.
• Work cooperatively with other Mozillians to identify and correct issues.

What you’ll bring:

• 8+ years of experience as a Software Engineer.
• Skilled in C++ and Rust. Proficient in other languages.
• Skilled professional in HTTP protocols and implementations (HTTP/2, HTTP/3, QUIC, TLS, etc.)
• Experience implementing networking standards in production code.
• Familiarity with congestion control principles and modern OS dataplane primitives.
• Experience performing high level system design, project planning, roadmap strategy and  resourcing.
• Experience and comfortable working with distributed teams.
• Excellent communication skills, positive, team oriented, 
• Experience with conflict resolution and decision making.
• Actively coaches and shares knowledge.
• Experience working on a cross-platform native application.
• Creative problem-solver and skilled debugger.
• Experience writing and debugging multi-threaded code.
• Experience with understanding and contributing to a large and complex multi-language code base.

We value a variety of backgrounds. You don’t need to check every box on this list to apply.

What you’ll get:

• Generous performance-based bonus plans to all eligible employees - we share in our success as one team
• Rich medical, dental, and vision coverage
• Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
• Quarterly all-company wellness days where everyone takes a pause together
• Country specific holidays plus a day off for your birthday
• One-time home office stipend
• Annual professional development budget
• Quarterly well-being stipend
• Considerable paid parental leave
• Employee referral bonus program
• Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla 

Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online.

Commitment to diversity, equity, inclusion, and belonging

Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company’s core mission.  We encourage applications from everyone, including members of all equity-seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientations,gender identities, and expressions.

We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment, as appropriate. Please contact us at hiringaccommodation@mozilla.com to request accommodation.

We are an equal opportunity employer. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or any other basis covered by applicable laws.  Mozilla will not tolerate discrimination or harassment based on any of these characteristics or any other unlawful behavior, conduct, or purpose.

Group: C

#LI-REMOTE

Req ID: R2672

Why Mozilla?

Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser, and Pocket, a service for keeping up with the best content online. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people. 

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distributeopen-sourcesoftware that enables people to enjoy the internet on their terms. 

About this team and role:

The Commercial Legal team works with every part of Mozilla’s business, supporting strategic search and distribution deals, product and marketing partnerships, ad partnerships, and a broad array of vendor engagements. Reporting to the Director, Commercial Legal, the Senior Commercial Counsel will be a trusted advisor to Mozilla’s business teams across all commercial matters.

What you’ll do: 

• Serve as the subject matter expert to draft, negotiate, and advise on a variety of agreements, including SaaS, marketing, distribution, independent contractor, and advertising agreements. Guide business teams on operational and stakeholder considerations and drive towards deal execution
• Leverage strong analytical skills to provide timely, practical, business-savvy recommendations in a fast-paced environment
• Build strong relationships across the business, including Mozilla’s Business Development, Anonym, and Product organizations in a way that encourages buy-in and partnership. Understand their goals, clearly communicate legal risks, and work collaboratively to find solutions
• Manage multiple short and long-term projects with limited oversight, demonstrating a continuation drive towards completion and adapting to unexpected challenges and ambiguity
• Demonstrate a willingness to jump in and handle a wide range of legal projects, responsibilities, and challenges as needed to support the dynamic nature of Mozilla’s business.

What you’ll bring: 

• J.D. degree and membership in a state bar with good standing
• 5+ years relevant experience, including as in-house counsel
• Experience negotiating and drafting a wide range of commercial technology agreements and vendor agreements, including SaaS and data processing agreements
• Ability to provide guidance that incorporates and balances both business objectives and legal risk
• Commitment to excellent client service and an ability to build trust-based relationships across cross-functional teams
• Ability to resolve unclear but urgent tasks with limited oversight. Demonstrated ability to take ownership of multiple projects and drive them towards completion
• Commitment to our values:
• Welcoming differences
• Being relationship-minded
• Practicing responsible participation
• Having grit

What you’ll get:

• Generous performance-based bonus plans to all eligible employees - we share in our success as one team
• Rich medical, dental, and vision coverage
• Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
• Quarterly all-company wellness days where everyone takes a pause together
• Country specific holidays plus a day off for your birthday
• One-time home office stipend
• Annual professional development budget
• Quarterly well-being stipend
• Considerable paid parental leave
• Employee referral bonus program
• Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla 

Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online.

Commitment to diversity, equity, inclusion, and belonging

Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company’s core mission.  We encourage applications from everyone, including members of all equity-seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientations,gender identities, and expressions.

We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment, as appropriate. Please contact us at hiringaccommodation@mozilla.com to request accommodation.

We are an equal opportunity employer. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or any other basis covered by applicable laws.  Mozilla will not tolerate discrimination or harassment based on any of these characteristics or any other unlawful behavior, conduct, or purpose.

Group: C

#LI-REMOTE

Req ID: R2686

Why Mozilla?

Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser, and Pocket, a service for keeping up with the best content online. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people.

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distributeopen-sourcesoftware that enables people to enjoy the internet on their terms.

Firefox is used by hundreds of millions worldwide. As the Sr. Staff Product Manager for Search Experiences, you will be responsible for integrating intelligent search experiences into the browser to enable users to find what they are looking for. This role involves leading the product strategy and execution for these user problems, aiming to create a smarter, more efficient discovery experience. You’ll combine product excellence with strong technical skills to drive this innovation.

• Product Vision & Strategy: Lead the vision and strategy for enhancing search and discovery within Firefox across desktop and mobile, ensuring users can effortlessly find relevant content and information across the web and within the browser itself.
• Innovative Solutions: Apply new technologies like AI and machine learning to improve search functionality and content discovery. Act swiftly to test hypotheses and iterate on solutions that enhance the user experience.
• Cross-Functional Collaboration: Work together with teams from design, engineering, and data science to determine search product requirements, prioritize features, and provide seamless experiences that meet user needs and align with business goals.
• Business Development:Collaborate with business development and partnership teams to integrate new discovery tools, form strategic partnerships, and explore new opportunities that drive adoption and revenue growth.
• Data-Driven Decisions: Analyze important data points regarding search and discovery, using insights to guide decisions, improve features, and champion ongoing improvement.
• Effective Communication: Clearly communicate product roadmaps, feature benefits, and performance outcomes to collaborators, leaders, and external partners.
• Industry Awareness: Stay on top of the latest trends in search technologies, content discovery, and AI to ensure Firefox delivers innovative, user-centric search experiences.
• Thought Leadership: Champion the role of search and discovery in redefining user engagement and productivity, positioning Firefox as a leader in this space.

• Extensive Product Management Experience: 7+ years of product management experience, with a consistent track record of success.
• Consumer Product Expertise: 5+ years of experience in shipping consumer products and/or features, demonstrating a deep understanding of user needs.
• Exceptional Communication Skills: Excellent written and verbal communication abilities, including experience interacting with senior executives.
• Analytical Proficiency: Proficiency in building hypotheses, building tests, and developing success metrics to inform product decisions.
• Strategic Drive: Ability to work independently at high velocity while aligning with the overall strategy.
• Partner Engagement: Skilled in driving external partner engagements and discussions, fostering productive teamwork.

What you’ll get:

• Generous performance-based bonus plans to all eligible employees - we share in our success as one team
• Rich medical, dental, and vision coverage
• Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
• Quarterly all-company wellness days where everyone takes a pause together
• Country specific holidays plus a day off for your birthday
• One-time home office stipend
• Annual professional development budget
• Quarterly well-being stipend
• Considerable paid parental leave
• Employee referral bonus program

About Mozilla 

Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online.

Commitment to diversity, equity, inclusion, and belonging

Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company’s core mission.  We encourage applications from everyone, including members of all equity-seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientations,gender identities, and expressions.

We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment, as appropriate. Please contact us at hiringaccommodation@mozilla.com to request accommodation.

We are an equal opportunity employer. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or any other basis covered by applicable laws.  Mozilla will not tolerate discrimination or harassment based on any of these characteristics or any other unlawful behavior, conduct, or purpose.

Group:

#LI-REMOTE

Req ID: R2683

Why Mozilla?

Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser, and Pocket, a service for keeping up with the best content online. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people. 

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distributeopen-sourcesoftware that enables people to enjoy the internet on their terms. 

About this team and role:

Anonym’s Infrastructure Team is a dedicated group of seasoned engineers committed to privacy, security, and automation. We leverage state of the art privacy-enhancing technologies such as Trusted Execution Environments (TEEs), differential privacy, and advanced encryption techniques to develop and maintain our data processing pipelines, cloud-native applications, and engineering tools. We are seeking a versatile, full-stack Software Engineer to enhance our go-to-market strategy by collaborating with advertising partners, ensuring secure measurement and optimization of advertising performance without compromising user privacy.

As part of our team, you will work in a fast-paced startup culture developing Angular front-end applications, Java backend API servers, Python-based distributed data processing pipelines, and infrastructure across all major cloud service providers (Azure, AWS, GCP). Our team is distributed across North America, and remote work is our standard practice.

What you’ll do:

• Design, implement, and maintain our core services and infrastructure built around distributed computing in Trusted Execution Environments.
• Reduce engineering toil by automating common engineering tasks.
• Optimize the performance of our python-based distributed processing pipelines running in Trusted Execution Environments.
• Monitor tests and alerts to prevent regressions and catch issues before they reach production.
• Help triage, test and fix reported bugs, reducing them to root causes and exploring potential solutions.
• Improve the user experience for partners and engineers who use our web-based user interface.
• Learn something new every day.

What you’ll bring:

• 7+ years of overall software engineering experience.
• Experience coding in Java and Python.
• Experience working with web services or APIs (gRPC).
• Cloud development experience in Azure, AWS, or GCP.
• Experience with developing and managing CI/CD pipelines.

Bonus Points for:

• Familiarity with big data processing frameworks (Apache Spark, Hadoop, Hive).
• Familiarity with real-time data streaming technologies (Apache Kafka, Kinesis).
• Understanding of data warehousing concepts and technologies (Redshift, Snowflake, BigQuery).
• Experience maintaining Bazel-based build infrastructure.
• Experience hardening and securing cloud infrastructure.
• Familiarity with Kubernetes.
• Familiarity with privacy enhancing technologies such as differential privacy, trusted execution environments, multi-party computation, and encryption.

What you’ll get:

• Generous performance-based bonus plans to all eligible employees - we share in our success as one team
• Rich medical, dental, and vision coverage
• Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
• Quarterly all-company wellness days where everyone takes a pause together
• Country specific holidays plus a day off for your birthday
• One-time home office stipend
• Annual professional development budget
• Quarterly well-being stipend
• Considerable paid parental leave
• Employee referral bonus program
• Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla 

Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online.

Commitment to diversity, equity, inclusion, and belonging

Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company’s core mission.  We encourage applications from everyone, including members of all equity-seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientations,gender identities, and expressions.

We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment, as appropriate. Please contact us at hiringaccommodation@mozilla.com to request accommodation.

We are an equal opportunity employer. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or any other basis covered by applicable laws.  Mozilla will not tolerate discrimination or harassment based on any of these characteristics or any other unlawful behavior, conduct, or purpose.

Group: C

#LI-REMOTE

Req ID: R2604

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser, and Pocket, a service for keeping up with the best content online. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people. 

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distributeopen-sourcesoftware that enables people to enjoy the internet on their terms. 

About this team and role:

As a Senior Data Engineer at Mozilla, your primary area of focus will be on our Analytics Engineering team. This team focuses on modeling our data so that the rest of Mozilla has access to it, in the appropriate format, when they need it, to help them make data informed decisions. This team is also tasked with helping to maintain and make improvements to our data platform. Some recent improvements include introducing a data catalog, building in data quality checks among others. Check out the Data@Mozilla blog for more details on some of our work.

What you’ll do: 

• Work with data scientists to design data modes, answer questions and guide product decisions
• Work with other data engineers to design and maintain scalable data models and ETL pipelines
• Help improve the infrastructure for ingesting, storing and transforming data at a scale of tens of terabytes per day
• Help design and build systems to monitor and analyze data from Mozilla’s products
• Establish best practices for governing data containing sensitive information, ensuring compliance and security

What you’ll bring: 

• At a minimum 3 years of professional experience in data engineering
• Proficiency with the programming languages used by our teams (SQL and Python)
• Demonstrated experience designing data models used to represent specific business activities to power analysis
• Strong software engineering fundamentals: modularity, abstraction, data structures, and algorithms
• Ability to work collaboratively with a distributed team, leveraging strong communication skills to ensure alignment and effective teamwork across different time zones
• Our team requires skills in a variety of domains. You should have proficiency in one or more of the areas listed below, and be interested in learning about the others:
• You have used data to answer specific questions and guide company decisions.
• You are opinionated about data models and how they should be implemented; you partner with others to map out a business process, profile available data, design and build flexible data models for analysis.
• You have experience recommending / implementing new data collection to help improve the quality of data models.
• You have experience with data infrastructure: databases, message queues, batch and stream processing
• You have experience building modular and reusable ETL/ELT pipelines in distributed databases
• You have experience with highly scalable distributed systems hosted on cloud providers (e.g. Google Cloud Platform)
• Commitment to our values:
• Welcoming differences
• Being relationship-minded
• Practicing responsible participation
• Having grit

What you’ll get:

• Generous performance-based bonus plans to all regular employees - we share in our success as one team
• Rich medical, dental, and vision coverage
• Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
• Quarterly all-company wellness days where everyone takes a pause together
• Country specific holidays plus a day off for your birthday
• One-time home office stipend
• Annual professional development budget
• Quarterly well-being stipend
• Considerable paid parental leave
• Employee referral bonus program
• Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla 

Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online.

Commitment to diversity, equity, inclusion, and belonging

Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company’s core mission.  We encourage applications from everyone, including members of all equity-seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientations,gender identities, and expressions.

We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment, as appropriate. Please contact us at hiringaccommodation@mozilla.com to request accommodation.

We are an equal opportunity employer. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or any other basis covered by applicable laws.  Mozilla will not tolerate discrimination or harassment based on any of these characteristics or any other unlawful behavior, conduct, or purpose.

Group: D

#LI-DNI

Req ID: R2679

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser, and Pocket, a service for keeping up with the best content online. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people. 

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distributeopen-sourcesoftware that enables people to enjoy the internet on their terms. 

About this team and role:

We are seeking an experienced Learning and Development Specialist to join our dynamic team. The ideal candidate will have a proven track record in developing and implementing effective training programs in a scaling tech company. This role is critical to our growth strategy, focusing on upskilling our workforce, enhancing employee engagement, and supporting our culture of continuous learning and innovation.

What You’ll Get to Do:

• Needs Assessment:  Conduct thorough needs assessments to identify skills gaps and develop tailored training solutions in partnership with People Partners
• Training Program Development:  Design, develop, and deliver comprehensive training programs that align with company goals and support the development of technical and interpersonal skills. 
• Facilitation: Facilitate training sessions and workshops for employees at all levels, using various instructional techniques and formats.
• Onboarding: Manage and deliver the onboarding process for new hires, ensuring a smooth and effective integration into the company.
• Evaluation: Implement evaluation methodologies to assess the effectiveness of training programs and continuously improve content and delivery methods.
• Collaboration: Partner with cross-functional teams to align training initiatives with business objectives and support organizational growth including People Business Partners, Diversity & Inclusion, Programs, and more.
• Culture Building: Promote a culture of continuous learning and development within the organization.

What You’ll Bring:

• Minimum of 3-5 years of experience in learning and development, preferably within a scaling tech company.
• Strong instructional design and curriculum development skills.
• Excellent facilitation and presentation skills
• Proficiency with e-learning platforms and learning management systems (LMS)
• Ability to analyze data and assess training needs
• Strong project management skills
• Excellent interpersonal and communication skills
• Ability to work in a fast-paced, dynamic environment

What you’ll get:

• Generous performance-based bonus plans to all eligible employees - we share in our success as one team
• Rich medical, dental, and vision coverage
• Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
• Quarterly all-company wellness days where everyone takes a pause together
• Country specific holidays plus a day off for your birthday
• One-time home office stipend
• Annual professional development budget
• Quarterly well-being stipend
• Considerable paid parental leave
• Employee referral bonus program
• Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla 

Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online.

Commitment to diversity, equity, inclusion, and belonging

Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company’s core mission.  We encourage applications from everyone, including members of all equity-seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientations,gender identities, and expressions.

We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment, as appropriate. Please contact us at hiringaccommodation@mozilla.com to request accommodation.

We are an equal opportunity employer. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or any other basis covered by applicable laws.  Mozilla will not tolerate discrimination or harassment based on any of these characteristics or any other unlawful behavior, conduct, or purpose.

Group: C

#LI-REMOTE

Req ID: R2639

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser, and Pocket, a service for keeping up with the best content online. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people. 

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distributeopen-sourcesoftware that enables people to enjoy the internet on their terms. 

About this team and role:

Be part of a collaborative team focused on making the browser smarter and enhancing user productivity. As a Technical Program Manager, you’ll work with talented cross functional teams to drive initiatives like search enhancements, sidebar improvements, AI/ML integrations, and review checker functionality. Together, you’ll create innovative solutions that elevate core browsing experiences, including genAI capabilities that make workflows more efficient while prioritizing user privacy and agency. You may also contribute to responsibly developing new revenue streams through features like New Tab and Suggest, ensuring Firefox delivers value while supporting Mozilla’s mission.

What you’ll do: 

• Be self-motivated, capable of organizing your time well and working independently. 
• Collaborate with cross functional teams across the company to ensure timeline delivery of the work (Product, Engineering, UX, QA, Marketing, Legal, Policy, Business Development, Data, Support, Release Management and others).
• Work both high level helping to structure the program and deeply embedded with teams to break down and track work. 
• Adapt and evolve to the needs of different teams through the project or program lifecycle bringing in the right level of process to get things done. 
• Partner with Product teams to define strategy, requirements and ensure scope is well understood.
• Work closely with Engineering teams to scope work and define milestones and deliverables. 
• Produce detailed schedules and execution plans for the team.
• Set up and maintain tooling solutions for tracking work and connecting that back to higher level goals. Maintain urgency by ensuring there is strong collaboration within multiple parts of the organization who may have competing priorities.
• Communicate and track program risks and work with the team to define and put in place risk mitigation strategies. 
• Understand and implement best practices, drive for process improvements, and find new ways of operating, with a focus on simplification and productivity.
• Act as a conduit of information between engineering and other internal groups (both technical and non-technical) to ensure that decisions and status are understood. 
• Detail-oriented and able to understand the bigger picture by using your technical expertise and problem solving abilities to prioritize and manage blocking issues.
• Influence peers/managers and build consensus while dealing with ambiguity and constant change. 

What you’ll bring: 

• 8+ years working in a Technical Program Management role.
• Excellent written and verbal communication skills. 
• Track record of leading programs and projects to completion without a well defined software development process.  
• Demonstrable experience exercising technical expertise to help teams simplify problems into executable and measurable outcomes.
• Experience formulating detailed plans for technical programs and projects. 
• Experience working with a geographically distributed team. 
• Proficiency working with people ranging from VPs to junior engineers. 
• Experience with a variety of software development methodologies and tooling.
• Experience working with highly complex consumer applications such as browsers, social and/or content moderation platforms.
• Tooling systems such as Jira.
• Familiarity using an OKR framework to track progress. 
• Commitment to our values:
• Welcoming differences
• Being relationship-minded
• Practicing responsible participation
• Having grit

What you’ll get:

• Generous performance-based bonus plans to all eligible employees - we share in our success as one team
• Rich medical, dental, and vision coverage
• Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
• Quarterly all-company wellness days where everyone takes a pause together
• Country specific holidays plus a day off for your birthday
• One-time home office stipend
• Annual professional development budget
• Quarterly well-being stipend
• Considerable paid parental leave
• Employee referral bonus program
• Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla 

Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online.

Commitment to diversity, equity, inclusion, and belonging

Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company’s core mission.  We encourage applications from everyone, including members of all equity-seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientations,gender identities, and expressions.

We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment, as appropriate. Please contact us at hiringaccommodation@mozilla.com to request accommodation.

We are an equal opportunity employer. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or any other basis covered by applicable laws.  Mozilla will not tolerate discrimination or harassment based on any of these characteristics or any other unlawful behavior, conduct, or purpose.

Group: C

#LI-DNI

Req ID: R2658

Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser, and Pocket, a service for keeping up with the best content online. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people. 

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distributeopen-sourcesoftware that enables people to enjoy the internet on their terms. 

About this team and role:

The Protection and Identity team is dedicated to creating consumer-facing products that safeguard users' data and privacy within the Mozilla ecosystem. Our goal is to deliver seamless, user-friendly experiences that provide peace of mind and build customer trust. In this role, you will lead the user experience strategy for personal data breach monitoring and data removal services. You’ll work closely with cross-functional teams to design and deliver meaningful, impactful solutions that enhance security and privacy for our customers.

What you’ll do: 

• Collaborate with research, strategy, product management, and engineering to design and iterate on products focused on security and privacy products.
• Work with researchers, strategists, product managers, and engineers to empathy and understand user needs and use feedback to design intuitive, user-friendly experiences that meet their needs
• Create design storyboards, wireframes, mockups, and prototypes to communicate intent and for conducting qualitative and quantitative research
• Balance user needs with business objectives to ensure both sides are represented in design decisions resulting in the best possible outcome for both
• Support product strategy from concept to completion for critical user journeys and finding opportunities
• Set and refine the design quality bar through establishing design principles, patterns, tools and systems

What you’ll bring: 

• 7+ years of experience designing digital products
• Solid understanding of user-centered design methodologies, responsive web design principles, and mobile design
• Proficiency with Figma 
• Highly collaborative
• Excellent verbal and written communication skills
• Detail oriented and organized
• Comfortable giving and receiving feedback
• Comfortable working in an agile, lean environment
• Comfortable presenting and articulating design decisions
• Ability to understand and achieve business requirements and objectives
• Advocate for design from concept through implementation
• Interest in working with geographically distributed cross-functional team members
• Value research as a foundational design component for driving decision making
• Passionate about building products with people’s needs at the center 
• Ability to solve complex problems, engineer ideas, and build solutions independently
• Ability and interest in learning new technologies quickly
• Well organized and able to handle multiple priorities with certain levels of ambiguity
• Commitment to our values:
• Welcoming differences
• Being relationship-minded
• Practicing responsible participation
• Having grit

Bonus points if you have: 

• Experience designing security and privacy products or user accounts
• Experience with design thinking and lean software development
• Knowledge of user research methodologies and when to apply them
• Familiarity with Jira and/or other engineering and product management tools
• Deep understanding of developing products that prioritize accessibility

What you’ll get:

• Generous performance-based bonus plans to all eligible employees - we share in our success as one team
• Rich medical, dental, and vision coverage
• Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
• Quarterly all-company wellness days where everyone takes a pause together
• Country specific holidays plus a day off for your birthday
• One-time home office stipend
• Annual professional development budget
• Quarterly well-being stipend
• Considerable paid parental leave
• Employee referral bonus program
• Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla 

Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online.

Commitment to diversity, equity, inclusion, and belonging

Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company’s core mission.  We encourage applications from everyone, including members of all equity-seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientations,gender identities, and expressions.

We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment, as appropriate. Please contact us at hiringaccommodation@mozilla.com to request accommodation.

We are an equal opportunity employer. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or any other basis covered by applicable laws.  Mozilla will not tolerate discrimination or harassment based on any of these characteristics or any other unlawful behavior, conduct, or purpose.

Group: D

#LI-REMOTE

Req ID: R2532

Why Mozilla?

Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser, and Pocket, a service for keeping up with the best content online. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people. 

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distributeopen-sourcesoftware that enables people to enjoy the internet on their terms. 

Firefox’s Product Management team is looking for a Mobile Product Manager to lead our mobile homepage product roadmap and deliver a great mobile browsing experience across both iOS and Android. This role will work with our Homepage / New Tab team to define and deliver a roadmap of exciting, distinctive features designed to boost engagement and user satisfaction on both the Firefox for Android and iOS home screens. 

• Define and deliver mobile product strategy for the Firefox app homepages on Android and iOS
• Define new feature requirements and drive those successfully from concept to successful user adoption
• Build our data-driven understanding of mobile users, including quantitative and qualitative insights
• Define core product metrics and analyze product performance to evaluate the health of your products and features
• Prioritize opportunities that will drive sustainable growth
• Build strong relationships across multiple, diverse teams including engineering, marketing and business development
• Document and share the experiment wins and saves (losses) with key team members 
• Clearly set the product/backlog prioritization with a balance of near-term deliverables and longer-term investment

What you’ll bring:

• 5 years of Product Management or product growth experience or equivalent
• Ability to identify customer and business problems, synthesize data, and translate into a product vision
• Strong written and verbal communication, writing clear requirements for an experienced team to execute on.
• You have excellent interpersonal skills, and can present complex ideas in concise written and verbal descriptions easily understood by both technical and non-technical audiences.
• You have built features and/or products used by millions of users.

What you’ll get:

• Generous performance-based bonus plans to all eligible employees - we share in our success as one team
• Rich medical, dental, and vision coverage
• Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
• Quarterly all-company wellness days where everyone takes a pause together
• Country specific holidays plus a day off for your birthday
• One-time home office stipend
• Annual professional development budget
• Quarterly well-being stipend
• Considerable paid parental leave
• Employee referral bonus program
• Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla 

Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online.

Commitment to diversity, equity, inclusion, and belonging

Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company’s core mission.  We encourage applications from everyone, including members of all equity-seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientations,gender identities, and expressions.

We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment, as appropriate. Please contact us at hiringaccommodation@mozilla.com to request accommodation.

We are an equal opportunity employer. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or any other basis covered by applicable laws.  Mozilla will not tolerate discrimination or harassment based on any of these characteristics or any other unlawful behavior, conduct, or purpose.

Group: D

#LI-REMOTE

Req ID: R2661

Why Mozilla?

Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser, and Pocket, a service for keeping up with the best content online. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people. 

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distributeopen-sourcesoftware that enables people to enjoy the internet on their terms. 

About the team and position:

Firefox’s Product Management team is looking for a visionary Principal Product Manager to lead our mobile product strategy. This senior role will work across product teams to drive a portfolio approach to our mobile product investments. You will work with our teams to optimize and build features for existing products as well as identify new product strategies to grow Firefox.

What you’ll do:

• Define the mobile product strategy for Firefox and Firefox Focus on iOS and Android.
• Clearly set the product priorities, balancing near-term initiatives with longer-term investments.
• Work across teams to ensure we have the right mobile product investments to deliver a phenomenal mobile browsing experience.
• Be a product evangelist, partnering closely with design and engineering leaders to simultaneously meet user and business needs.
• Reliably communicate strategies and trade-offs up to senior leaders and down to development teams.
• Synthesize market changes and technology improvements into concrete product recommendations

What you’ll bring:

• 10+ years of product management experience, including impactful leadership roles for major products
• Deep product experience with native-mobile applications with millions of users.
• Strong product sense and understanding of user problems
• Experience setting a portfolio approach to investments across products
• Excellent interpersonal skills, which include active listening and the ability to present complex ideas in concise written and verbal descriptions
• Experience working with external partners both in the U.S. and abroad in a product management role.
• Experience identifying customer and business problems, participating in the product vision, and writing clear/concise requirements with consideration for the end-to-end experience.
• Experience crafting strategies to differentiate a product in a crowded space.

What you’ll get:

• Generous performance-based bonus plans to all eligible employees - we share in our success as one team
• Rich medical, dental, and vision coverage
• Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
• Quarterly all-company wellness days where everyone takes a pause together
• Country specific holidays plus a day off for your birthday
• One-time home office stipend
• Annual professional development budget
• Quarterly well-being stipend
• Considerable paid parental leave
• Employee referral bonus program
• Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla 

Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online.

Commitment to diversity, equity, inclusion, and belonging

Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company’s core mission.  We encourage applications from everyone, including members of all equity-seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientations,gender identities, and expressions.

We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment, as appropriate. Please contact us at hiringaccommodation@mozilla.com to request accommodation.

We are an equal opportunity employer. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or any other basis covered by applicable laws.  Mozilla will not tolerate discrimination or harassment based on any of these characteristics or any other unlawful behavior, conduct, or purpose.

Group: B

#LI-REMOTE

Req ID: R2667

Why Mozilla?

Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser, and Pocket, a service for keeping up with the best content online. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people. 

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distributeopen-sourcesoftware that enables people to enjoy the internet on their terms. 

About this team and role:

The OS integration team is a cross-disciplinary team in charge of improving and maintaining Firefox on its various supported operating systems. We make sure it is a first-class citizen that integrates well with the desktop and supports new features offered by the operating system. Firefox is a sophisticated cross-platform application, and we deal with the operating system specifics. We work on things like crash reporting, interactions with third party software, sandboxing and hardening techniques, and investigate crashes. We develop close to the machine on low-level topics such as browser performance, security, Inter Process Communication (IPC), memory allocators, and power usage. We also maintain the integration with graphical widget libraries on the various operating systems.

What is a Staff Software Engineer at Mozilla?

A Staff Software Engineer is the next level from a Senior Software Engineer. At Mozilla this role can vary but typically a Staff Engineer is a domain expert who leads others within a single team to tackle multi-month projects. Tasks that may be initially ambiguous or require significant planning and require them to influence or direct the work of several engineers. They sequence deliverables and manage risks in their team's projects, provide feedback on our strategy and goals affecting the team, and turn our strategy into action for their team members. Staff Software Engineers mentor others by stewarding some responsibilities to more junior and senior engineers so they can take on new ones. They collaborate with management on building team consensus and providing direction. Staff Software Engineers identify gaps and opportunities for improvement to enable a culture of inclusion and allyship, at all levels of the organization.

What you’ll do: 

• Work on Firefox for Android, implementing features and fixing bugs across Kotlin, C++, Rust, and JavaScript.
• Investigate and resolve bugs in Firefox on Linux, including GTK Widget issues, X11/Wayland, and packaging systems like Snap and Flatpak. You’ll be the hero behind crash fixes!
• Collaborate with upstream projects and engage in community discussions to enhance Firefox’s Desktop Environment integration.
• Optimize Firefox’s performance and harden its security.
• Collaborate with a globally distributed team, providing code reviews and technical direction.

What you’ll bring: 

• 7+ years of overall software engineering experience.
• 5+ years of experience working in C/C++ on a Linux desktop application and/or Android application
• Knowledge of Kotlin and Android JNI programming.
• Proven ability to successfully lead and ship complex software projects.
• A proven track record of working effectively with distributed teams and building consensus in the open-source community.
• Commitment to our values:
• Welcoming differences
• Being relationship-minded
• Practicing responsible participation
• Having grit

Bonus Points if: 

• You have experience with Rust.
• You have contributed to the Linux desktop environment by working on GTK, X11/Wayland, or if you've worked on a core Linux desktop package, a compositing window manager, or similar.

What you’ll get:

• Generous performance-based bonus plans to all eligible employees - we share in our success as one team
• Rich medical, dental, and vision coverage
• Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
• Quarterly all-company wellness days where everyone takes a pause together
• Country specific holidays plus a day off for your birthday
• One-time home office stipend
• Annual professional development budget
• Quarterly well-being stipend
• Considerable paid parental leave
• Employee referral bonus program
• Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla 

Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online.

Commitment to diversity, equity, inclusion, and belonging

Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company’s core mission.  We encourage applications from everyone, including members of all equity-seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientations,gender identities, and expressions.

We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment, as appropriate. Please contact us at hiringaccommodation@mozilla.com to request accommodation.

We are an equal opportunity employer. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or any other basis covered by applicable laws.  Mozilla will not tolerate discrimination or harassment based on any of these characteristics or any other unlawful behavior, conduct, or purpose.

Group: D

#LI-REMOTE

Req ID: R2652

Group: D

#LI-DNI

Req ID: R2646

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser, and Pocket, a service for keeping up with the best content online. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people. 

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distributeopen-sourcesoftware that enables people to enjoy the internet on their terms. 

About this team and role:

We are seeking an expert marketeer to lead our marketing efforts in Europe, aligning with our global strategy while tailoring approaches to the diverse consumer and community demands of some of Mozilla’s focus markets particularly Germany, UK and France. This role will also help to develop market entry strategies in the future and partner closely with the VP Marketing, Europe in supporting and operationalizing international expansion efforts to drive growth in new and existing markets. This role requires a deep understanding of the marketing landscape, a creative mind who is capable of translating vision into plans, and driving outstanding results. The Senior Marketing Director will play a pivotal role in crafting the future of Mozilla in Europe, guiding an impactful team, and influencing cross-functional initiatives across the organization.

What you’ll do: 

1.Strategic Leadership:

• Partner with senior management to develop and implement strategic marketing plans for Europe that align with Mozilla's overall objectives.
• Lead the development of Europe-specific marketing strategies that drive brand growth, user acquisition, and engagement across diverse markets.
• Provide expertise to the organization on market dynamics, competitive landscapes, and emerging opportunities to inform decision-making.

2 . Execution & Operational Excellence:

• Lead all aspects of the execution of marketing strategies, ensuring alignment with business goals, budget constraints, and timelines.
• Implement planning, staffing, and budgeting processes to optimize prioritisation and increase return on investment.
• Lead cross-functional collaboration, ensuring seamless integration of marketing efforts with product, business development, and other key teams.

1. Team Leadership & Development:

• Lead and mentor a diverse marketing team of marketing managers, encouraging a culture of innovation, accountability, and dedication.
• Establish clear performance expectations, conduct timely evaluations, and support the professional growth of team members.
• Drive talent acquisition and retention efforts, ensuring the team is equipped with the skills and expertise to meet future challenges.
• Provide strategic feedback for development of global marketing strategy as part of the marketing leadership team

1. Innovation & Thought Leadership:

• Stay ahead of industry trends, continuously seeking opportunities to innovate and differentiate Mozilla's brand in the market.
• Champion the development and promotion of new ideas, demonstrating knowledge of marketing science, technology, and business.
• Serve as a leader with vision within the organization, providing insights and influencing the direction of the global marketing team

What you’ll bring: 

• 12+ years of professional experience in international marketing within B2C corporate or startup environments, with a focus on the European markets, particularly Germany, the UK, and France.
• 6+ years of leadership experience, including hiring, managing, and developing talent within large teams with multifaceted strengths.
• Consistent track record of developing and implementing successful go-to-market strategies that drive product adoption and brand growth.
• Extensive experience in senior marketing roles, with the ability to navigate complex technological developments, regulatory environments and cultural nuances.
• Strong analytical and decision-making abilities, passionate about delivering measurable business outcomes.
• Outstanding communication and interpersonal skills, with a talent for influencing at all levels of the organization.
• A thoughtful storyteller who excels in crafting compelling narratives that resonate with diverse audiences.
• Motivated Self-starter with an entrepreneurial attitude, capable of working in agile environments and leading rapid change optimally.
• Proficient in English, with proficiency in additional European languages highly desirable.
• Commitment to our values:
• Welcoming differences
• Being relationship-minded
• Practicing responsible participation
• Having grit

What you’ll get:

• Generous performance-based bonus plans to all eligible employees - we share in our success as one team
• Rich medical, dental, and vision coverage
• Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
• Quarterly all-company wellness days where everyone takes a pause together
• Country specific holidays plus a day off for your birthday
• One-time home office stipend
• Annual professional development budget
• Quarterly well-being stipend
• Considerable paid parental leave
• Employee referral bonus program
• Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla 

Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online.

Commitment to diversity, equity, inclusion, and belonging

Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company’s core mission.  We encourage applications from everyone, including members of all equity-seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientations,gender identities, and expressions.

We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment, as appropriate. Please contact us at hiringaccommodation@mozilla.com to request accommodation.

We are an equal opportunity employer. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or any other basis covered by applicable laws.  Mozilla will not tolerate discrimination or harassment based on any of these characteristics or any other unlawful behavior, conduct, or purpose.

Group: B

#LI-DNI

Req ID: R2647

Why Mozilla?

Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser, and Pocket, a service for keeping up with the best content online. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people. 

About this team and role:

The Firefox team is a community of engineers who care deeply about delivering the fastest, friendliest, most usable browser possible. We are responsible for making the things you see in the browser work securely, quickly, and well! We are looking for a Staff Machine Learning Engineer to help us develop and grow new Generative AI driven products and tools. You will play a key role in enabling safe and healthy machine learning and Generative AI driven experiences in Firefox. 

What is a Staff Engineer at Mozilla? 

A Staff Engineer is the next level from a Senior Engineer. At Mozilla this role can vary but typically a Staff Engineer is a domain expert who leads others within a single team to tackle multi-month projects. Tasks that may be initially ambiguous or require significant planning and require them to influence or direct the work of several engineers. They sequence deliverables and manage risks in their team's projects, provide feedback on our strategy and goals affecting the team, and turn our strategy into action for their team members. Staff Engineers mentor others by stewarding some responsibilities to more junior and senior engineers so they can take on new ones. They collaborate with management on building team consensus and providing direction. Staff Engineers identify gaps and opportunities for improvement to enable a culture of inclusion and allyship, at all levels of the organization.

What you’ll do:

• Lead the design, development, and integration of Generative AI solutions in Firefox, collaborating cross functionally with product management, full stack engineering and design.
• Build infrastructure for training and inference of LLMs and small language and vision models for use cases on the web and mobile Firefox product experiences.
• Implement robust validation and testing procedures to ensure the developed models' generalizability and reliability
• Continuously monitor and optimize deployed models for performance and efficiency

What you'll bring:

• 6+ years experience as a Machine Learning engineer building tooling and services for machine learning applications in production.
• Experience with designing and building machine learning tooling and infrastructure for training, deploying, inference and validation of models.
• Experience with distributed systems and platforms for AI integrations across a breadth of applications such as LLM APIs, Cloud based and open source tooling.
• Leading architecture designs to execution independently and track record of improving the team’s overall AI development velocity.
• Strong problem-solving skills and ability to communicate complex concepts to technical and non-technical stakeholders.
• Experience working collaboratively with product managers, project managers, and/or other non-engineering teams.
• Effective documentation and communication skills on a distributed team.
• Commitment to our values:
• Welcoming differences
• Being relationship-minded
• Practicing responsible participation
• Having grit

Bonus Points

• Knowledge of and experience with using LLM solutions across different cloud providers
• You have previously successfully contributed to an open source project.
• Track record of not only building one, but multiple projects deployed with an active user base.
• Experience with responsible AI, transparent algorithms, and putting users’ needs first.
• Excellent communication skills, both in written and presentation form. You have the ability to quickly distill sophisticated topics into concepts that are tailored for your target audience.
• You are a lifelong learner, and continue to refine and improve your skills when you see an opportunity to do so.
• Experience with the browser extensions architecture or ecosystem.
• Experience working in open source environments.

What you’ll get:

• Generous performance-based bonus plans to all eligible employees - we share in our success as one team
• Rich medical, dental, and vision coverage
• Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
• Quarterly all-company wellness days where everyone takes a pause together
• Country specific holidays plus a day off for your birthday
• One-time home office stipend
• Annual professional development budget
• Quarterly well-being stipend
• Considerable paid parental leave
• Employee referral bonus program
• Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla 

Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online.

Commitment to diversity, equity, inclusion, and belonging

Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company’s core mission.  We encourage applications from everyone, including members of all equity-seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientations,gender identities, and expressions.

We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment, as appropriate. Please contact us at hiringaccommodation@mozilla.com to request accommodation.

We are an equal opportunity employer. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or any other basis covered by applicable laws.  Mozilla will not tolerate discrimination or harassment based on any of these characteristics or any other unlawful behavior, conduct, or purpose.

Group: C

#LI-REMOTE

Req ID: R2593

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser, and Pocket, a service for keeping up with the best content online. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people.

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distributeopen-sourcesoftware that enables people to enjoy the internet on their terms.

The Manager of Data Science, Advertising at Mozilla will lead the data science efforts related to our advertising initiatives. You will be responsible for driving data-driven decision-making, optimizing ad performance, and ensuring that our advertising strategies align with our ethical standards. This role requires a deep understanding of both the technical and strategic aspects of data science in the context of digital advertising.

• Lead and develop a high-performing data science team focused on Mozilla’s growing advertising products and business, ensuring that we build an ads business that strikes the right balance between protecting user privacy, diversifying Mozilla’s sources of revenue, and serving our advertisers
• Drive our efforts to utilize data to inform and optimize ad targeting, bidding strategies, and campaign performance, including the development predictive models and algorithms to enhance ad personalization while maintaining user privacy
• Analyze and interpret complex datasets to provide actionable insights to stakeholders and lead the development of the metrics and reporting that enables stakeholders to become increasingly self-sufficient in this capacity
• Lead the development and deployment of experimentation and measurement frameworks to demonstrate and continually increase the effectiveness of our ads products
• Partner with Product and Engineering teams to shape and deliver our ads strategy and roadmap

• Master’s or PhD in Data Science, Statistics, Computer Science, or a related field
• 8+ years of experience in data science, with a strong focus on digital advertising
• Experience with ad tech, programmatic advertising, and the digital media ecosystem
• Proven track record of leading and scaling data science teams
• Expertise in machine learning, statistical modeling, and data analytics
• Proficiency in programming languages such as Python or R and SQL
• Strong understanding of privacy-preserving technologies and their application in advertising
• Excellent communication skills, with the ability to translate complex data insights into actionable strategies for non-technical partners.
• Demonstrated ability to work cross-functionally and influence decision-making at all levels of the organization.
• Commitment to our values:
• Welcoming differences
• Being relationship-minded
• Practicing responsible participation
• Having grit

• Generous performance-based bonus plans to all eligible employees - we share in our success as one team
• Rich medical, dental, and vision coverage
• Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
• Quarterly all-company wellness days where everyone takes a pause together
• Country specific holidays plus a day off for your birthday
• One-time home office stipend
• Annual professional development budget
• Quarterly well-being stipend
• Considerable paid parental leave
• Employee referral bonus program
• Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla 

Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online.

Commitment to diversity, equity, inclusion, and belonging

Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company’s core mission.  We encourage applications from everyone, including members of all equity-seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientations,gender identities, and expressions.

We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment, as appropriate. Please contact us at hiringaccommodation@mozilla.com to request accommodation.

We are an equal opportunity employer. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or any other basis covered by applicable laws.  Mozilla will not tolerate discrimination or harassment based on any of these characteristics or any other unlawful behavior, conduct, or purpose.

Group: C

#LI-REMOTE

Req ID: R2664