Implement approved UX designs for Firefox's screen, window, and tab sharing experience, and see
Build browser UI that holds up in a large, widely used codebase: tested, accessible, and localizable
Work with UX on the cases a design didn't anticipate, and with QA on validating the result
Support partner testing against major web conferencing services
Land your work in mozilla-central through public code review on Phabricator

🎯 Requirements

4+ years building production user interfaces with JavaScript, HTML, and CSS
Experience implementing an approved design faithfully, plus the judgment to flag it when the design
Ability to get productive quickly in a large, mature codebase you didn't write
Experience writing automated tests for user interfaces
Strong asynchronous written communication, since the team is distributed across timezones
Comfort working in public, since Bugzilla and Phabricator are open

Apply on employer's website

This employer gathers applications via their own applicant tracking system.

You will be redirected to an external application form.

Share job

Meet JobCopilot: Your Personal AI Job Hunter

Automatically Apply to Engineering Jobs. Just set your preferences and Job Copilot will do the rest — finding, filtering, and applying while you focus on what matters.

Activate JobCopilot