Posted Sep 26, 2026

Contract Senior Software Engineer - WebGL (Color/Graphics)

Apply Now
This a Full Remote job, the offer is available from: United States, Canada 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 offer from "Mozilla" has been enriched by Jobgether.com and got a 82% flex score.