Senior Contract C++ / JavaScript Software Engineer (Browser Engine)

Job description

## **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. ## **Responsibilities** - Write Web-Platform tests to improve the coverage, and Gecko mochitests as needed - Fix the problems and pass the tests to improve the Gecko correctness - Work through code review with the relevant Gecko module owners and iterate to landing ## **Definition of done** Improved Session History test coverage and code correctness in Gecko, measured by passed test cases, allowing the team’s senior engineers to focus on security, performance and strategic projects. ## **Required qualifications** - Substantial experience in a browser-engine codebase or in automating for a browser-engine, ideally Firefox/Gecko. - Solid Javascript and applying that language skill to write automated tests. - Proficiency in and experience developing software in C++. - Strong debugging skills in a mature larget codebase. - 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.