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

Mozillaยทabout 7 hours ago

๐Ÿ“ Contract๐ŸŽฏ Lead / Principal๐Ÿ‡จ๐Ÿ‡ฆ Canada๐Ÿ“… Oct 20, 2026

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.

Market context

Measured from remote postings we have tracked ourselves โ€” not self-reported survey data.

What Lead / Principal Engineering roles in Americas pay

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$238k

Based on 6,277 comparable postings with disclosed salaries, last 12 months.

How Mozilla is hiring

Last 90 days
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