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

Canada, Germany, United Kingdom
Remote
Posted Oct 21, 2026
1 position

Opens an external site

Employment type: Contract
Experience level: Senior · 5+ years
Posting language: English
Working hours: 40 hours per week

Job summary

The role involves implementing storage encryption across the Firefox browser engine and migrating data between schemas. You will also be responsible for writing tests, performing code reviews, and shepherding features through the release cycle.

Job details

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.

What you’ll do

Requirements

Candidates must have strong C++ skills and substantial experience working with browser-engine codebases like Firefox/Gecko. Experience with databases, web standards, and multithreaded debugging is also required.