JobsFrontendFront End Engineering Manager, Firefox Desktop
Mozilla

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Front End Engineering Manager, Firefox Desktop

RemoteLeadPosted Aug 17, 2026
JavaScriptTypeScriptHTMLCSS+7 more

About this role

Lead a distributed team of engineers building the Firefox Desktop browser experience across Windows, Linux, and macOS. Drive UI innovations and improvements to one of the world's most used open-source browsers while shaping how people experience the internet.

Must have

4+ years leading engineers in software development across distributed teams

Software engineering background enabling technical decision-making

Experience leading multiple concurrent projects

Previous experience with frontend platform initiatives like design systems

Track record of delivering front-end experiences to user-facing products

Hands-on experience with JavaScript, TypeScript, HTML, and CSS

Proven track record shipping sophisticated user-facing experiences on time

Strong communication and relationship-building skills across all levels

Experience communicating with senior leadership and advocating for engineering priorities

Ability to hire, mentor, and delegate to geographically distributed team members

Technologies

JavaScriptReactHTMLTypeScriptGitCSSLinuxWindowsOpen sourceAImacOS

Responsibilities

Drive initiatives delivering high-quality, available, monitored, and maintainable software

Help team navigate trade-offs balancing quick delivery with long-term approaches

Communicate team goals, project scope and risks, and own delivery on clear timelines

Identify, build, and iterate on engineering processes supporting high performance

Engage regularly in 1-1s discussing technical work and professional development

Ensure developers are properly supported throughout the developer lifecycle

Create an inclusive environment engaging and challenging team members

Collaborate with Product, UX, QA, Operations, and Data Science teams

Benefits

Paid parental leaveHealth insuranceDental insuranceVision insuranceRetirement benefits with matchFlexible PTOWellness allowanceHome office allowanceReferral programProfessional development

Amenities

Generous performance-based bonus plansQuarterly all-company wellness daysCountry-specific holidays plus birthday offQuarterly well-being stipendEmployee Assistance Program and other life benefits

Recruitment process

1

Firefox team works in the open on browser code for Windows, Linux, and macOS

2

Focus on implementing and fixing Firefox while helping other teams improve user experience

3

Mozilla Corporation is wholly owned by the non-profit Mozilla Foundation

4

Bonus for fostering AI use in frontend engineering teams

5

Bonus for experience in open source environments