Staff Software Engineer-Bug Burndown
Mozilla · Canada, Germany, United Kingdom · 2026-10-07
About this role
You will help reduce Firefox’s WebCompat bug backlog by finishing or verifying the diagnosis of the long tail of site-breakage bugs, and by writing interventions or simple fixes (often with AI assistance). You turn a large queue of reported breakages into diagnosed, actionable, or fixed bugs.
Responsibilities
• Finish diagnosing, or verify the diagnosis of, long-tail WebCompat bugs.
• Write WebCompat interventions where appropriate.
• Write simple fixes (AI-assisted) and land them.
• Reproduce and triage incoming site-breakage reports.
Required qualifications
• Solid web development (HTML, CSS, JavaScript) and comfort debugging real-world site breakage.
• Fluent with browser devtools and cross-browser diagnosis.
• Comfortable using AI tooling to speed up diagnosis and fixes.
Preferred
• Gecko knowledge is a strong plus (but can be taught).
• Prior WebCompat or web-standards experience.
Originally posted on Himalayas
Skills asked for
- html
- css
- javascript
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