Note: The job is a remote job and is open to candidates in USA. Bitwarden is the trusted identity security leader for millions of users worldwide, empowering enterprises, developers, and individuals to securely manage and share sensitive information anywhere. As a Senior Software Engineer specializing in cryptography, you will lead the design and development of key hierarchies and cryptographic protocols, owning critical encryption systems and tackling complex technical challenges.

Responsibilities

• Support Bitwarden goals by designing, developing and maintaining key hierarchies and cryptographic protocols that are secure and performant
• Design and enforce secure key management practices across clients and servers to prevent key compromise and protect sensitive cryptographic material
• Help design usable APIs that abstract crypto correctly for other developers
• Build and maintain both internal and external documentation and specifications
• Troubleshoot and resolve complex security vulnerabilities and issues that require deep technical knowledge of our systems

Skills

• Strong proficiency and experience in Rust
• Experience designing and implementing secure cryptographic protocols
• Familiarity with OS-level key management APIs and secure storage mechanisms across platforms
• Practical knowledge of secure key management practices, including key generation, storage, rotation, and revocation
• Ability to evaluate cryptographic library security, performance, and misuse resistance
• Collaborative and adaptable mindset
• Openness and authenticity combined with excellent communication skills
• Excitement and enthusiasm for open source and for better internet security
• Excellent problem-solving skills – you might not know all the answers, but you know how to find and communicate the solution
• Experience with TypeScript and C# are a plus

Benefits

• See our careers page for a list of benefits.
• Work remotely with motivated and supportive team members across the world.
• Take on new challenges with the support of your team, and join our #growth-club to continue personal and professional development.

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