Senior Software Engineer, Cryptography (Firefox Security)

• Advance Firefox's security architecture and cryptography stack, focusing on cryptographic protocols, WebPKI, and security-sensitive web APIs.
• Design and implement web platform security features in collaboration with the web community.
• Improve browser reliability, performance, and resource efficiency.
• Collaborate on security initiatives and contribute to technical design and planning.

This role directly contributes to making the internet safer and more private for over 225 million users, upholding Mozilla's mission to keep the internet open and accessible to all.

• Strong software engineering and security fundamentals with proficiency in C/C++ and understanding of cryptographic protocols.
• Experience building and maintaining complex software systems in large-scale or security-sensitive environments.
• Strong debugging and problem-solving skills in multi-threaded, cross-platform native applications.
• Collaborative communicator with a growth mindset; familiarity with web technologies and interest in Rust.

Generous performance-based bonus plans, rich medical/dental/vision coverage, generous retirement contributions with 100% immediate vesting, quarterly wellness days, birthday off, home office stipend, annual professional development budget, quarterly well-being stipend, considerable paid parental leave, and more.