Mozilla is hiring a
Staff Test Engineer

Summary

Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online. 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.

Requirements

• 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

Responsibilities

• 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

Benefits

• 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)