Added 1 Nov 2026 · Engineering
Compensation
A clear compensation amount was not identified. Ask the employer for the range, currency, pay period and whether it covers base pay or total compensation.
Location, eligibility & working hours
- Listed work location
- Remote Canada / Remote Denmark / Remote France / Remote Germany / Remote UK
- Stated remote hiring countries
- Canada, Denmark, France, Germany, United Kingdom
- Visa sponsorship
- Not stated clearly
- Relocation support
- Not stated clearly
- Working hours / time zone
- Not stated clearly
Remote does not automatically mean work from any country. A location match does not confirm work authorization, sponsorship or relocation eligibility.
Requirements at a glance
Named skills identified in the listing. A mention is not always a requirement; read the full description and employer conditions.
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.