Engineering Manager, Web Developer APIs and Tools
at Mozilla Corporation Team: Firefox Locations: Remote UK, Remote France, Remote Germany, Remote Canada To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu.
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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:
Are you excited about web technologies and the applications built on them that enrich users’ lives? Do you have a passion for helping engineers do their best work and grow in their careers?
We are hiring for two Engineering Manager positions:
1. Engineering Manager for the DOM team, responsible for the Gecko implementation of web standards including, ,, and that powers websites people use via Firefox.
2. Engineering Manager for SpiderMonkey Javascript team, responsible for Mozilla's Javascript engine and Javascript standards (), which power the web experiences for Firefox users.
Both of these teams work primarily in systems programming (like C++, Rust or WebAssembly) and write tests largely with HTML and JavaScript. Experience in systems programming or deep familiarity with low-level software architecture is highly valued.
What you’ll do:
3. Manage a team of software engineers working on storage, background, and system-level Web APIs and standards, or the SpiderMonkey Javascript engine and related standards
4. Mentor and guide a diverse team of engineers, inspiring collaboration, growing their careers, and empathizing with their needs
5. Owner of the team roadmap, and working closely with platform peer managers, product management and technical leads, to manage risks, balance resources and clear blockers
6. Assign work to team members according to individuals abilities, while in parallel collaborating with the team to deliver major initiatives on clear timelines
7. Ensure that your team delivers well-planned, high quality, and maintainable software
8. Collaborate openly with the open source community
What you’ll bring:
9. 2+ years of hands-on people management experience
10. Experienced functional manager with proven skills leading a team of diverse engineers, with the ability to mentor team members that have different skill sets from your own
11. Proven project management skills, enabling leadership of the team to deliver and maintain complex software projects
12. Software engineering background, providing the experience needed to drive technical decisions and engage with engineers at all levels of seniority, while empowering tech leads as the primary designers and decision makers
13. Proficiency with software development lifecycle practices for triage, prioritization, and execution
14. Passion for resolving problems, managing risks, leading change and facilitating collaborative decision making
15. Experience working on performance-critical, memory-sensitive system software, or systems programming would help you stand out
16. Commitment to our values:
17. Welcoming differences
18. Being relationship-minded
19. Practicing responsible participation
20. Having grit
What you’ll get:
21. Generous performance-based bonus plans to all eligible employees - we share in our success as one team
22. Rich medical, dental, and vision coverage
23. Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
24. Quarterly all-company wellness days where everyone takes a pause together
25. Country specific holidays plus a day off for your birthday
26. One-time home office stipend
27. Annual professional development budget
28. Quarterly well-being stipend
29. Considerable paid parental leave
30. Employee referral bonus program
31. Other benefits (life/AD&D, disability, EAP, etc. - varies by country)