IT & Software

WebCompat Staff Software Engineer

Mozilla

Ottawa · Ontario · Canada

Use HTML, CSS, and JavaScript to reduce Firefox’s WebCompat backlog as a Contract Staff Software Engineer focused on site-breakage diagnosis.

Mozilla seeks a Staff Software Engineer for WebCompat bug triage and simple fixes. You will diagnose long-tail bugs, verify existing diagnoses, and write interventions or AI-assisted fixes. The work turns reported breakages into actionable or fixed bugs.

Key Responsibilities:

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

Requirements:

  • Solid HTML, CSS, and JavaScript development skills
  • Fluency with browser developer tools
  • Comfort diagnosing cross-browser site breakage
  • Comfort using AI tooling for diagnosis and fixes
  • Prior WebCompat or web-standards experience

Apply web development, browser debugging, and AI-assisted fixing skills to Firefox WebCompat diagnosis and bug backlog reduction at Mozilla.

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Reference: WJ-4483_1426596

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