Frontend Senior Software Engineer - Remote

Overview

The Frontend Senior Software Engineer will work on the user interface of the Firefox Profiler, implementing interactive performance visualizations and improving usability for engineers across Mozilla.

In Short

• Design and develop modern UI components for the Firefox Profiler.
• Build high-performance, scalable, accessible user interfaces.
• Engage with Firefox engineers to help them use tools efficiently.
• Participate in bug triage and strategy with the performance team.
• Promote the use of performance tools within and beyond Mozilla.
• Mentor volunteers contributing to the codebase.

Requirements

• 5+ years of experience in JavaScript/TypeScript, React, Redux.
• Strong background in building complex, interactive UIs.
• Knowledge of profiling and performance tooling.
• Familiarity with frontend testing frameworks like Jest.
• Strong communication skills for collaboration.
• Experience with performance visualization is a plus.
• Familiarity with Firefox Profiler or Chrome DevTools is a plus.

Benefits

• Generous performance-based bonus plans.
• Rich medical, dental, and vision coverage.
• Generous retirement contributions with immediate vesting.
• Quarterly wellness days for all employees.
• Country-specific holidays and 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 (varies by country).