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 Ecosystem Test Engineering team is passionate about helping Mozilla ship well-tested, high quality products. We are looking for a Staff Test Engineer to work alongside product, engineering, and SRE teams to advance automated testing efforts that are key to building engaging and inclusive products.
We’re a part of the Mozilla PXI (Protection, Experimentation, Identity) Engineering team; our community of engineers is geographically-distributed, and working in the open is the norm. We contribute to the code driving many Firefox browser services and various Mozilla products in a number of languages, including Python, JavaScript/TypeScript, and Rust.
Our team is invested in fostering a culture of learning, growing strong leaders, and building a collaborative work environment. We want to raise the performance bar with every hire and promotion. You could be the next great thing to happen to our team.
What you’ll do
- Design, develop, and maintain test strategies (both functional and load) for large scale services and Mozilla products
- Build tools, processes, and systems that allow teams to have a robust feedback loop around quality
- Help teams build measurable understanding of code quality and product risk
- Write, run, and maintain automated tests and identify gaps in test coverage
- Guide the work of other test engineers and help teams write and maintain their tests and test setup
- Work collaboratively with many teams including product, design, UX, developers, operations, and data engineers
- Ensure our ship process is fast, repeatable, and dependable by managing the logistics of shipping software including building and maintaining our CI pipeline
- Contribute towards building a healthy team culture, nurture and mentor junior engineers, be invested in your growth as well as your peers
- Be an opinionated advocate for Testing and Quality
What you bring
- 5+ years of experience in a software automation engineering role (SDET, test engineer, etc)
- 3+ years experience in building and testing scalable services (Services & API testing, load testing, etc)
- Proficiency in Python, Javascript/TypeScript, and industry standard automation tools, including pytest and junit
- Knowledge and ability to set up testing infrastructure (CircleCI, K6, Docker, Lighthouse, Playwright, Locust, GCP, etc.)
- Ability to quickly learn and implement unfamiliar technologies
- Detail oriented within a fast-paced work environment
- Excellent written and verbal communication skills
- Analyze and tackle sophisticated software development problems spanning multiple components, sometimes outside area of expertise
- Ability to navigate large and complex codebases as well as managing Git repositories
- Excellent problem-solving skills with an emphasis on data-informed decision-making
- Ability to break down complex problems into actionable tasks and delegate and guide other engineers to execute on a plan
Bonus points for
- Experience working as an SRE or DevOps Engineer
- Rust programming language and ecosystem experience
- Experience with test methodologies and different test frameworks across programming languages
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.
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