Contract Software Engineer - DOM Core Firefox/Gecko

Mozilla France, Germany, UK

Posted 24 Sep 2026
Last seen 24 Sep 2026
Location France, Germany, UK
Lifecycle fresh
Grade D

Contract Senior Software Engineering

The role

You will help the Firefox DOM Core team improve the health of the Session History area. You will write tests to improve the coverage; you will fix tests and/or problems to improve the Gecko correctness.

Responsibilities

Definition of done

Improved Session History test coverage and code correctness in Gecko, measured by passed test cases, allowing the team’s senior engineers to focus on security, performance and strategic projects.

Required qualifications

Preferred

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Where this listing came from

  1. 24 Sep 2026 Jobicy first sighting

Seen on 1 board over 0 days.