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Contract Software Engineer - WebCompat Tooling (Dashboards and Reporting), Firefox

mozilla

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What dashboards roles keep asking for: CSS (43%), HTML (43%), JavaScript (43%), Python (43%), C# (29%), C++ (29%), Django (29%), Elasticsearch (29%) — counted across their open postings here.

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mozilla has 4 open roles listed here.

Counted across 14 company job boards, updated as roles open and close.

Preparing for this interview

Interviews for dashboards roles keep coming back to CSS, HTML, JavaScript, Python. Practise those questions before you sit with mozilla.

Questions you are likely to be asked

  1. Why do you want to join mozilla?
  2. What is your experience with CSS? Tell me one thing you learned the hard way.
  3. Walk me through a dashboard or report you built. Who used it, and for what?
  4. Explain a join or a window function you have used, and why you needed it.
  5. How would you explain a surprising number to a manager who does not believe it?

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The role

You will build and improve the WebCompat team’s internal tooling, the dashboards and the broken-site-report screenshot pipeline the team relies on to triage and prioritize site breakage. This is a focused tooling role that makes the WebCompat program faster and more data-driven.

Responsibilities

Required qualifications

Preferred

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Listed on arbeitnow · posted 2026-09-24. ApplySarthi collects openings and links to application pages; the role is advertised by mozilla, not by us.