Jobs / Germany / Mozilla Corporation

Mozilla Corporation

Contract Staff Software Engineer-Bug Burndown

Remote Germany · Remote · Europe Posted today

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Where you can work from

Europe only

Based on the listing's location: Remote Germany.

The company's headquarters is not the same as where you may work from. Visa sponsorship only matters if you would relocate; see below.

Visa sponsorship, if you would relocate

Sponsorship verdict

No sponsorship evidence yet

No government record and no wording either way. Not a refusal: ask the recruiter.

  • No government sponsor record hereNo government sponsor record covers this employer in this country.
  • The posting doesn’t mention sponsorshipSilence isn’t a refusal — ask the recruiter before investing much time.
  • Can’t check pay against the visa rulesNo salary stated. Germany EU Blue Card needs at least €50,700 a year (shortage-occupation / recent-graduate: €45,934).
  • Confirmed live todayWhen a source last listed this job as open.
Details and sources
Can’t check pay against the visa rules
No salary stated. Germany EU Blue Card needs at least €50,700 a year (shortage-occupation / recent-graduate: €45,934). Source: https://www.make-it-in-germany.com/en/visa-residence/types/eu-blue-card, rules effective 2026-01-01.

A verdict summarises public evidence. It is not legal advice and never a guarantee: the employer and the immigration authority decide. Sign in to factor in where you can already work.

Before you apply

Sponsorship unknown

No register record and no sponsorship wording in the posting. Worth asking the employer before investing significant time.

These come from the posting’s own wording. Read the original listing to confirm. See better-fit alternatives →

About the role

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.

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