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

Remote Belgium; Remote Denmark; Remote Finland; Remote France; Remote Netherlands; Remote Poland

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.

• 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.
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