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

Description: Help the Firefox DOM Core team improve the health of the Session History area. Write tests to enhance coverage and fix issues to improve Gecko correctness. Requirements: Substantial experience in a browser-engine codebase or automation for a browser-engine, ideally Firefox/Gecko. Solid JavaScript skills for writing automated tests. Proficiency in C++ software development. Strong debugging skills in a large, mature codebase. Comfort working in public environments: public bugs, code review, and upstream landing. Benefits: Opportunity to improve Session History test coverage and code correctness. Ability to allow senior engineers to focus on security, performance, and strategic projects.