Contract Staff Software Engineer-Bug Burndown is open at Mozilla (Remote UK). Posted on Oct 20, 2026, and still on Mozilla’s careers page when we last checked, on Nov 14, 2026.
About the role
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…
The opening lines of the posting. The rest is on Mozilla’s careers page.
Hiring at Mozilla
Mozilla has 121 open roles right now, 121 of them remote. Most are in Engineering, Security and Sales & Business Development. The median advertised salary across its roles with a published range is $178K. See all its roles
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