Salary not listed
Contract Staff Software Engineer-Bug Burndown
FrontendWorkplace — unknown
Published on 2026-10-20
These details were extracted automatically from the original listing. They may not be complete or fully up to date — it's worth checking the original job post.
About this role
Help reduce Firefox’s WebCompat backlog by diagnosing, verifying, and triaging website breakage reports. Write browser interventions and straightforward fixes, using AI tools where useful.
About the company
Mozilla builds open-source products and technologies, including Firefox, that prioritize privacy, security, and an open internet.
Stack
HTMLCSSJavaScriptFirefoxGecko
What you'll do
- Diagnose or verify diagnoses of long-tail WebCompat bugs
- Write WebCompat interventions where appropriate
- Develop and land simple fixes, with AI assistance
- Reproduce and triage incoming site-breakage reports
What we're looking for
- Solid web development skills in HTML, CSS, and JavaScript
- Experience debugging real-world website breakage
- Fluency with browser developer tools and cross-browser diagnosis
- Comfort using AI tools to accelerate diagnosis and fixes
Nice to have
- Knowledge of Gecko
- Previous WebCompat or web-standards experience