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 easy 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.
📌 Contract Staff Software Engineer – WebCompat (Toronto)
🏢 Mozilla
📍 Toronto
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