Contract Senior Software Engineer - WebGPU-Firefox/Gecko (Rust)

Mozilla·Remote Canada; Remote USRemotesenior

In short

→Corrige errores críticos y de seguridad en wgpu para Firefox en Linux y Android.
→Trabajas en bugs priorizados, pruebas de conformidad y soluciones para aplicaciones que no funcionan en Nightly.
→Destacado: Impacto directo en el lanzamiento de WebGPU en Firefox en múltiples plataformas.

Comfort working upstream in an open-source project (public issues and code review).

In ~1 minute you get: who interviews you, the likely questions answered from your CV, and your CV tailored to this job. Free, no card.

🎧Land the interview? Bring the copilot. Our free extension listens to the live interview and flashes 3-4-word anchors from your resume and prep — glance, connect, talk. Get the extension →

What they ask for

✓Dominio sólido de Rust.
✓Experiencia en código de sistemas o gráficos de gran escala.
✓Capacidad para aprender rápidamente wgpu.
✓Habilidades sólidas de depuración (bugs de validación, casos extremos, hallazgos de fuzzer).
✓Comodidad trabajando en proyectos open-source (issues públicos, revisiones de código).
✓Capacidad para coordinarse con el equipo de WebGPU de Firefox.

Don't tick every box? That's normal — your free dossier shows your gaps and how to cover them in the interview.

RustwgpuGeckoGitHubBugzillaWebGPU conformance test suitefuzzingcode reviewLinuxAndroid

Who should you write to at Mozilla?

Your free dossier identifies the people who'd interview you — their background, what they value, and how to reach out so you stand out before applying.

The role You will help the Firefox WebGPU team clear its backlog of correctness and security bugs in wgpu, Firefox’s WebGPU implementation, so WebGPU can ship on Linux and Android. You will take on well-defined, prioritized issues, land fixes upstream in the open-source wgpu project and in Gecko, and free the core team to focus on the remaining release-blocking work. Responsibilities • Fix prioritized correctness and validation bugs from the wgpu "WebGPU for Firefox" project (the “Current”, “CTS Burndown”, “Linux release” and “Android release” columns), plus security and fuzzer-reported bugs. • Diagnose and fix application blockers, real apps and demos that do not yet work in Firefox Nightly (the webgpu-apps meta-bug). • Work through WebGPU conformance test suite (CTS) failures. • Write and pass tests, work through code review with wgpu maintainers and Gecko module owners, and land upstream. • Coordinate with the Firefox WebGPU team on task selection and priority. Scope and references • wgpu "WebGPU for Firefox" GitHub project • webgpu-apps meta-bug (Bugzilla) blockers • WebGPU conformance test suite (CTS) expected-failure lists • Specific issue lists to be provided by the WebGPU team Definition of done Reviewed fixes landed upstream in wgpu and in Gecko, with tests, measurably reducing the P2/P3 backlog, app blockers, and CTS failures, contributing to WebGPU riding the trains on Linux and Android. Required qualifications • Strong Rust. • Experience in a large systems or graphics codebase, and the ability to ramp on wgpu quickly. • Comfort working upstream in an open-source project (public issues and code review). • Solid debugging skills (validation bugs, corner cases, fuzz findings). Preferred • Prior contributions to wgpu (the team can onboard an existing wgpu contributor fastest). • WebGPU / graphics / GPU experience. Modern graphic

Looking for something similar?

Leave your email and we'll alert you when matching jobs appear.

Don't apply unprepared

We research who's interviewing you, tailor your CV and rehearse you live — first one free.