Contract Staff Software Engineer - (Firefox) C++,Storage Encryption

Mozilla · Remote · Canada, France, Denmark only

Canada, France, Denmark onlySeniorPublished 20 October 2026Check carefully

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First recorded by Psst: 21 October 2026. Sign in with Google to continue to the employer. A free account is enough.

Job details

Where you can work
Canada, France, Denmark
Employment type
Not stated by the employer
Advertised pay
Not stated by the employer
Experience
Senior
Employer publication date
20 October 2026
First recorded by Psst
21 October 2026
Last checked at the source
30 October 2026

About the job

The role

You will help the Firefox DOM LWS team to implement tasks for Storage Encryption everywhere, helping to drive the in-progress project through to completion .

Responsibilities

  • Contributing to delivering Storage Encryption Everywhere in Gecko, which may include tasks such as migrating data between schemas, implementing data storage in PBM and integration testing.
  • Write and pass Web Platform Tests, and add Gecko tests as needed.
  • Work through code review with the relevant Gecko module owners and iterate to landing.
  • Surface and help resolve any specification questions the implementation raises.
  • Shepherd the feature through Nightly, Beta, and Release. Fix correctness, performance issues and regressions.

Definition of done

Ship Storage Encryption Everywhere to release channel. Fix triaged and prioritized issues.

Required qualifications

  • Strong C++.
  • Substantial experience in a browser-engine codebase, ideally Firefox/Gecko.
  • Substantial experience in databases.
  • Familiarity with web standards and Web Platform Tests.
  • Strong debugging and optimization in a multithreaded codebase.
  • Comfort working in the open: public bugs, code review, and upstream landing.

Preferred

  • Prior contributions to Gecko or another major browser engine.
  • Familiarity with the relevant standards body and specification process.

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