Requirements

• Substantial experience in a browser-engine codebase or in automating for a browser-engine, ideally Firefox/Gecko.
• Solid Javascript skills applied to writing automated tests.
• Proficiency in and experience developing software in C++.
• Strong debugging skills in a mature large codebase.
• Comfort working in the open: public bugs, code review, and upstream landing.

Nice to Haves

• Prior contributions to Gecko or another major browser engine.
• Familiarity with web standards and Web Platform Tests.

What You'll Be Doing

• Writing Web-Platform tests to improve coverage and Gecko mochitests as needed.
• Fixing problems and passing tests to improve Gecko correctness.
• Working through code review with relevant Gecko module owners and iterating to landing.