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Contract Staff Software Engineer – WebCompat & Bug Triage

Mozilla · Engineering · Lead · 1mo ago

✓

Open to candidates living in Canada, Germany, United Kingdom.

Selected countriesJavaScriptHTMLCSSDebugging

Direct from the employer's own careers page

Who can apply

Read straight from the listing, so you know before you spend time on it.

CanadaGermanyUnited Kingdom

Open to candidates living in Canada, Germany, United Kingdom.

“Remote Canada; Remote Germany; Remote UK”
Async-first
The listing doesn't promise async-first working.
Contractor / B2B
No mention of hiring international contractors or invoicing.
Global stipend
No home office or equipment budget mentioned.
Annual retreat
No company-paid get-togethers mentioned.

Read from the listing automatically. Always confirm the details with the company before you accept an offer.

About the role

As a Contract Staff Software Engineer on the Bug Burndown initiative, you will reduce Firefox's WebCompat backlog by finishing or verifying diagnoses on a long tail of site-breakage bugs. You will write WebCompat interventions, triage reports, and land simple fixes often accelerated by AI tooling.

What you'll do

  • 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

What you bring

  • Solid web development skills across HTML, CSS, and JavaScript
  • Comfort debugging real-world site breakage
  • Fluent with browser devtools and cross-browser diagnosis
  • Comfortable using AI tooling to speed up diagnosis and fixes

About Mozilla

Mozilla is an open-source and mission-driven organization dedicated to keeping the internet open, accessible, and safe for everyone.

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