[Job Radar](https://jobradar.live/) / [Jobs](https://jobradar.live/ilanlar) / Contract Senior Software Engineer - WebGL (Color/Graphics)

Active
Remote
Remote Canada; Remote US
Posted · 23.09.2026
Greenhouse (US)

# Contract Senior Software Engineer - WebGL (Color/Graphics)

Mozilla

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.

This job was verified from Greenhouse (US). Applications are completed on the original source.

[Apply on the original listing ↗](https://jobradar.live/ilan/a5e61814-399d-4f8d-8829-7956fa1817fe/git)

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