Destava

Senior Software Engineer, Firefox Security

Mozilla is hiring for Senior Software Engineer, Firefox Security in Remote France. Remote, Senior level. First seen October 15, 2026; open as of November 12, 2026. Jobs taken straight from company career pages — no aggregator in between.

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Company
Mozilla
Where
Remote France
Arrangement
Remote
Level
Senior
First seen
October 15, 2026
Listed via
Greenhouse

What the posting says

3+ years of experience in low-level software engineering, strong proficiency in C and/or C++, and a solid understanding of security fundamentals. Debugging and problem-solving skills: Experience diagnosing and resolving issues in multithreaded, cross-platform native applications, including memory and performance challenges. Web platform and modern systems experience: Familiarity with web technologies (HTML, CSS, JavaScript) and interest or experience in Rust; ability to work effectively within large, complex, multi-language codebases. Effective collaboration and communication: Experience…

Read more and apply on Mozilla's site

This page includes information from the O*NET 31.0 Database by the U.S. Department of Labor, Employment and Training Administration (USDOL/ETA). Used under the CC BY 4.0 license. O*NET® is a trademark of USDOL/ETA.