Apply

Ready to go for it?

AI Apply speeds things up—apply directly if you prefer.

FREE ACCESS
5,000–10,000 jobs/day
Scoutfield Logo

See all jobs on Scoutfield

Search thousands of fresh jobs every day.

Discover
  • Fresh listings
  • Fast filters
  • No subscription required
Create a free account and start exploring right away.
Mozilla

Staff Software Engineer – Bug Burndown

Mozilla

. Finish diagnosing, or verify the diagnosis of, long-tail WebCompat bugs .

Posted 10/6/2026full-timeRemote • Canada, Germany, United Kingdom, Denmark, FranceLeadWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in diagnosing and fixing WebCompat bugs, utilizing web development skills in HTML, CSS, and JavaScript. Proficient in using AI tools for efficient diagnosis and resolution of site breakages across different browsers.

Highest-signal resume keywords
Web DevelopmentHTMLCSSJavaScriptCross-Browser Diagnosis

ATS Keywords

Tailor your resume
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
Web DevelopmentHTMLCSSJavaScriptDebuggingSite Breakage DiagnosisWebCompat InterventionsAI ToolingTriageBug Fixing
Tools & Technologies
Browser DevtoolsAI Tooling
Industry Keywords
WebCompatSite-Breakage ReportsBug Backlog

About the role

Key responsibilities & impact
  • 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
  • Help reduce Firefox’s WebCompat bug backlog by turning reported breakages into diagnosed, actionable, or fixed bugs

Requirements

What you’ll need
  • 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