Use HTML, CSS, and JavaScript expertise remotely to diagnose Firefox WebCompat bugs and deliver practical fixes with AI assistance.

Mozilla seeks a Contract Staff Software Engineer to reduce Firefox’s WebCompat backlog. You will investigate real-world site breakage, validate existing diagnoses, and turn reports into actionable or fixed bugs. The work emphasizes browser devtools, cross-browser diagnosis, and targeted interventions.

Key Responsibilities:

- Finish diagnosing long-tail WebCompat bugs
- Verify diagnoses for reported site breakages
- Write WebCompat interventions where appropriate
- Develop and land straightforward AI-assisted fixes
- Reproduce and triage incoming breakage reports

Requirements:

- Solid HTML, CSS, and JavaScript development skills
- Comfort debugging real-world website breakage
- Fluency with browser developer tools
- Ability to perform cross-browser diagnosis
- Comfort using AI tooling for diagnosis and fixes

Apply WebCompat debugging, browser devtools, and AI-assisted development skills to improve Firefox’s site compatibility.

📌 WebCompat Staff Software Engineer (Canada)
🏢 Devconnectplatform
📍 Canada