Senior security engineer building hardening features for Firefox.
Design and implement security features, cryptographic protocols, and privilege isolation mechanisms for Firefox across multiple platforms. Diagnose and fix issues in complex, multithreaded native applications while collaborating with distributed teams. Requires 3+ years of low-level systems programming in C/C++, understanding of web technologies, and ability to work in large codebases.
Membership is €29/month, cancel anytime: every rate, every original listing link, and a daily alert for roles matching your filters.
Found at a specialist agency · listed 15 October 2026 · InsideJobs links you to the original posting.