Staff Full Stack Engineer, AI

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

The Desktop Engineering team is looking for a Full Stack Engineer to work on AI-powered features and capabilities in Firefox, greatly expanding the value and agency of our web browser for loyal and new users alike.

Our team is geographically-distributed, and working in the open is the norm. We contribute to the code driving the Firefox browser on a number of desktop platforms - Windows, Linux, and macOS.

What you’ll do

• Build high quality user interfaces and experience for Firefox with accessibility and usability in mind
• Write code and tests, build prototypes, solve problems with no clear solution, collaborate with other designers and engineers to make the web a better place
• Learn about a wide variety of problems and solutions across a large, mature codebase
• Work with multi-functional teams, building relationships and nurturing collaboration to reach shared goals
• Help to level-up the skills of your fellow engineers through code reviews, giving talks, and/or writing documentation
• Promote and maintain high standards of code-quality, focusing on performance, testing, security, usability, accessibility and maintainability
• Work with driven, committed team members to bring the open web to people around the world
• Contribute to improving engineering practices and procedures

What you’ll bring

• 7+ years experience as a software engineer
• 7+ years working experience with JavaScript, HTML, and CSS
• Expert knowledge with SQL and relational databases (e.g. SQL Server, Postgres, MySQL, SQLite)
• A background in shipping high quality software

Nice to Have

• Familiarity with C++ and/or Rust
• Interest in and ability to work with a distributed team (requires good asynchronous written communication skills as well as good verbal communication skills)
• Willingness to provide and receive constructive feedback
• Contributions through asking questions and proposing new ideas
• A love of working with others collaboratively
• A keen interest in AI and bringing value of this tool to users in a privacy preserving and secure way.

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