Salary not listed
Contract Software Engineer - DOM Core Firefox/Gecko
QAWorkplace — unknown
Published on 2026-10-16
These details were extracted automatically from the original listing. They may not be complete or fully up to date — it's worth checking the original job post.
About this role
The Contract Software Engineer will work with the Firefox DOM Core team to enhance the Session History area by writing and fixing tests to ensure the correctness of Gecko. The role involves collaborating through code reviews and making meaningful contributions to the codebase.
About the company
Mozilla builds open-source products and technologies, including Firefox, that prioritize privacy, security, and an open internet.
Stack
JavaScriptC++
What you'll do
- Write Web-Platform tests to improve coverage
- Fix problems and ensure tests pass to enhance Gecko correctness
- Work through code review with Gecko module owners
What we're looking for
- Experience in a browser-engine codebase or automation for a browser-engine
- Solid JavaScript skills for writing automated tests
- Proficiency in C++ development
- Strong debugging skills in a large codebase
- Comfortable working in an open environment
Nice to have
- Prior contributions to Gecko or other major browser engines
- Familiarity with web standards and Web Platform Tests