Contract Staff Software Engineer - (Firefox) C++,Storage Encryption
- LocationRemote UK
- Work typeRemote
- Posted26 October 2026
- SourceMozilla's careers page (Greenhouse)
Live checkFirst seen 9 days ago; still listed on Mozilla's careers page 1 h ago.
At a glance
- Skills and toolsC++
Read from the ad by RoleFinder rules; the description is the source.
Back from the application? Add your CV and RoleFinder scores your fit for this role, then ranks your best 12 open roles where you want to work, each with a one-line reason.
Check my fitAbout the role
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.
Get open roles ranked against your CV
Add your CV once. RoleFinder ranks the open roles where you want to work, plus remote ones, against it, shows your best 12 with a one-line reason each, and emails you new matches once a week. The file is read once by AI and not kept; employers never see it.
Sign in with Google or email to start. How we handle your CV