Contract Senior Software Engineer - WebGL (Color/Graphics)

Mozilla is seeking a Contract Senior Software Engineer to join the Firefox graphics team. The role focuses on diagnosing and fixing WebGL bugs in Gecko, improving functionality and security, writing tests, completing code reviews, and managing the WebGL bug queue.

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

Requirements:

• 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
• Prior browser-engine / Gecko experience
• Security research or fuzzing experience