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Senior Software Engineer, Firefox Security

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Senior Software Engineer, Firefox Security in Remote new

  • Mozilla
  • Full time
  • Email
  • Sweden

Responsibilities

  • Design, implement, test, and ship security and hardening features for Firefox enterprise users.
  • Advance Firefox’s security architecture through privilege isolation, trust-boundary changes, cryptographic protocols, WebPKI, and security-sensitive web APIs.
  • Investigate security issues across teams, identify root causes, and deliver robust, maintainable fixes.
  • Diagnose and resolve stability, correctness, performance, and memory issues in a complex multithreaded environment.

Requirements

  • Have 3+ years of low-level software engineering experience.
  • Demonstrate strong proficiency in C and/or C++ and a solid understanding of security fundamentals.
  • Have experience debugging multithreaded, cross-platform native applications, including memory and performance challenges.
  • Be familiar with HTML, CSS, and JavaScript, and have interest or experience in Rust.
  • Be able to work effectively in large, complex, multi-language codebases and communicate technical ideas clearly with distributed teams.

Benefits

  • Remote work arrangement in Sweden.
  • Performance-based bonus plans for eligible employees.
  • Retirement contributions with 100% immediate vesting.
  • Quarterly company wellness days, country-specific holidays, and a birthday day off.
  • One-time home office stipend and quarterly well-being stipend.
  • Annual professional development budget.
  • Paid parental leave, employee referral bonus program, and other country-dependent benefits including life/AD&D, disability, and EAP coverage.

Mozilla

Mozilla makes browsers, apps, code, and tools. Mozilla shapes the future of the Internet by advocating for user rights, promoting open standards, and developing software products that prioritize privacy, security, and user control. By working on the web as a platform, you can help create more opp...

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