Staff Software Engineer-Bug Burndown
Mozilla · Remote Canada; Remote Germany; Remote UK · Germany
- Employer
- Mozilla
- Requisition id
- 3565395
- First posted (employer ATS)
- (1h ago)
- First seen by this site
- 2026-10-06T19:48:25Z
- Last verified live
- 2026-10-06T20:48:41Z
- Source
- Employer career portal (greenhouse)
Job description
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.
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