Job Description

Salary

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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. 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 distribute open-source software that enables people to enjoy the internet on their terms.

About this team and role:

Firefox Desktop Test Engineering is a geographically distributed team responsible for validating all critical browser areas, both core and new, through dedicated testing. We focus on representing the user, driving quality across Firefox, and supporting teams in delivering a user-friendly experience. As a Lead, you’ll drive test automation projects, build tools and frameworks, collaborate with cross-functional teams and advocate for testing and quality.

What you’ll do:

• Build tooling and frameworks to make testing easier and faster.
• Write, run, and maintain automated tests.
• Create and implement comprehensive test plans to drive test automation initiatives for your team.
• As a domain expert, unblock others and provide feedback to junior test engineers.
• Participate in the incident response process by assisting with investigations and validating builds.
• Collaborate with various teams across the organization to solve complex technical problems that reduce tech debt, improve efficiency, and enable the delivery of high-quality code at high velocity.
• Contribute to a healthy team culture, serve as a go-to person for junior testers, and invest in both your own growth and that of your peers.
• Be a strong, opinionated advocate for testing and quality.

What you’ll bring:

• 5+ years of experience in a software engineering role (e.g., SDET, Senior Test Engineer, Test Automation Lead).
• 3+ years of hands-on test automation experience using Selenium or a similar UI testing framework.
• Proficient in Python programming (good to have knowledge of other scripting languages such as Java, JavaScript or C++).
• In-depth understanding of Continuous Integration and Continuous Deployment (CI/CD) frameworks such as GitHub Actions, Jenkins, etc.
• Experience leading project delivery with geographically distributed teams or vendor partners.
• Proven track record to lead initiatives independently in collaboration with cross-cultural teams.
• Strong analytical skills with the ability to solve complex software development problems that span multiple components, including those outside of core expertise.

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