Contract Staff Software Engineer – WebCompat & Bug Triage

About the opportunity

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.

About Mozilla

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Source and application route

Collected from Jobicy under its public API terms. Apply through the original source. This employer has not been independently reviewed by JobCenter. Location eligibility: Canada. Remote jobs may have country or time-zone restrictions.

Imported listing dates use the source publication date where supplied, otherwise the first JobCenter publication date.

Listing date 27/10/2026. Source last checked 31/10/2026, 3:52:53 am India time. A source check is not an employer reconfirmation.