Contract Senior Software Engineer - WebGL (Color/Graphics)
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Salary
≈ $144k – $238k per year (Estimated)
Location
Remote (United States, Canada)
Seniority
Senior
Employment
Contractor
Confirmed on the employer's own hiring board on Sep 23, 2026. First seen by Alion on Sep 22, 2026. Mozilla Corporation scores B on the Alion truth index.
Overview
Company
Impact
Profile match
Mozilla Corporation is the commercial subsidiary of the non-profit Mozilla Foundation, created in 2005 to develop and distribute Firefox and related products. It is unusual in structure: profits flow back to the foundation rather than to shareholders, and the great majority of revenue has historically come from a single search default agreement, most recently with Google. Headquartered in Mountain View with a largely distributed workforce, it has been trying to reduce that dependence through advertising products, a virtual private network, the data removal service Monitor and its Anonym advertising measurement business.
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.
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