Contract Staff Software Engineer – WebCompat & Bug Triage
mozilla
Posted Oct 6, 2026
- Other
- Remote
- Firefox
- Software Engineer jobs in Canada
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.