Staff Software Engineer-Bug Burndown

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. Find more English Speaking Jobs in United Kingdom on Arbeitnow