M
United Kingdom· Remote
£51K – £225.5K/yr · Jobiba est.Estimated from 87 similar postings (medium confidence) — not stated by the employer.
● Strong current hiring demand for this role
JavaScriptAI
Open for applications
Contract Staff Software Engineer - (Firefox) C++,Storage Encryption
- Pay · Jobiba estimate
- £50,950–£225,500 / yearFor comparable Software Engineer roles in United Kingdom. Estimated from 87 similar postings (medium confidence) — not stated by the employer. Salary data
- Job type
- Full-time
- Work mode
- Remote
- Experience
- Senior level
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.
Skills in this ad
Department · Firefox
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About this listing
- Source: Mozilla's official careers site · still listed there on 14 Nov 2026
- Posted 26 Oct 2026
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