SECTION I · THE BRIEF
Brief #08402Updated 26 OCT 2026REMOTEGreenhouseSAN FRANCISCO
Employbl Company Profile

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

Our mission is to ensure the Internet is a global public resource, open and accessible to all.

Location
Remote
Company size
750–5,000
Posted
Today
Via
Greenhouse
Section II · Full ProfileFree with an account
  • 01Comp band & equity packageLocked
  • 02Seniority & experience requirementsLocked
  • 03Interview process & rubricLocked
  • 04Headcount & which departments are hiringLocked
  • 05Growth trajectory in this roleLocked
  • 06Offer & decision timelineLocked

No card · 2 minutes · the funding and stack behind this role

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

Mozilla· Remote UKView company profile


Job title
Contract Staff Software Engineer - (Firefox) C++,Storage Encryption
Job location
Remote UK
Job description

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.
View job listing ↗
The Saturday Briefing

Get the Saturday tech briefing

New company profiles, funding moves, and who's hiring across the market — most Saturday mornings.

Free. Unsubscribe with one click, from any issue.