Contract Staff Software Engineer-Bug Burndown

Mozilla
United Kingdom
RemoteCareer-pivot friendly

Who this role is best for

Strong fit for candidates with hands-on web development experience who prioritize debugging and automation, working remotely in the UK.

Best fit for

  • Candidates with hands-on web development experience and a focus on debugging real-world issues
    — “Solid web development (HTML, CSS, JavaScript) and comfort debugging real-world site breakage”
  • Individuals who are proficient in using browser devtools and can diagnose cross-browser issues
    — “Fluent with browser devtools and cross-browser diagnosis”

Things to consider

  • The role may require adapting to a less conventional tech stack if Gecko knowledge is not already present
    — “Gecko knowledge is a strong plus (but can be taught)”

How to stand out

  • Highlight experience with debugging complex site breakage and landing fixes in open-source projects
    — “Write simple fixes (AI-assisted) and land them”
  • Showcase a track record of triaging and reproducing site-breakage reports efficiently
    — “Reproduce and triage incoming site-breakage reports”
  • Demonstrate ability to work independently on long-tail bugs with minimal oversight
    — “Finish diagnosing, or verify the diagnosis of, long-tail WebCompat bugs”
Pace · SteadyCollaboration · MediumAutonomy · MediumDecision Impact · Individual

Derived from job-description analysis by Serendipath's career intelligence engine.

What success looks like

  • reduce Firefox’s WebCompat bug backlog
Typical background
solid web development skills

Skills & requirements

Required

Web Development (html, CSS, Javascript)Browser DevtoolsAI ToolingDebugging Real-world Site Breakage

Preferred

Gecko KnowledgeWebcompat Or Web-standards Experience

Stack & domain

HTMLCSSJavaScriptBrowser DevtoolsAI Tooling

About the role

Original posting from Mozilla via Greenhouse

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.

Source: Mozilla careers (Greenhouse)

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