This role has closed. Mozilla has taken the posting down.
hirly last saw it live on 24 September 2026. See similar open roles below, or browse all Software Engineer jobs.
Mozilla
Contract Senior Software Engineer - WebGL (Color/Graphics)
Remote Canada; Remote US
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hirly's read of this role
- Role family
- Engineering
- Seniority
- Senior
- Work mode
- Remote-friendly
- First seen by hirly
- 22 Sept 2026
Derived automatically from the posting.
the posting
The role
You will diagnose and fix WebGL bugs in Gecko and improve its functionality and security within the Firefox graphics team.
Responsibilities
Diagnose and fix WebGL bugs in Gecko (C++/Rust), including security bugs
Write tests, work through code review with graphics module owners, and land fixes, with uplifts where needed.
Keep the ongoing WebGL bug queue under control
Definition of done
Reviewed WebGL fixes and new code landed with tests
Required qualifications
Strong C++ (Rust a plus).
Graphics / GPU experience, ideally WebGL.
Security mindset, and comfort with sandbox and IPC architectures (WebGL is a security target).
Strong debugging in a multithreaded codebase.
Preferred
Prior browser-engine / Gecko experience.
Security research or fuzzing experience.