The role You will help the Firefox DOM Core team improve the health of the Session History area.
You will write tests to improve the coverage; you will fix tests and/or problems to improve the Gecko correctness.
Solid Javascript and applying that language skill to write automated tests.
Proficiency in and experience developing software in C++.
Strong debugging.
Comfort working in the open: public bugs, code review, and upstream landing.
Preferred Prior contributions to Gecko or another major browser engine.
Familiarity with web standards and Web Platform Tests.