Senior Software Engineer (Cryptography)

About Bitwarden

Bitwarden is the trusted identity security leader for millions worldwide, empowering enterprises, developers, and individuals to securely manage and share sensitive information. Our offerings include password management, secrets management, and passwordless/passkey innovations, making robust security accessible across all devices. Headquartered in Santa Barbara, California, learn more at bitwarden.com.

The Role

As a Senior Software Engineer specializing in Bitwarden’s cryptography layer, you will lead the design and development of the key hierarchy and cryptographic protocols that protect millions of users worldwide. You’ll own critical encryption systems and complex technical challenges at the intersection of security, scalability, and user experience. This role offers unique opportunities to make significant contributions to both our open-source community and enterprise solutions.

This is an all-remote team, and we are looking for someone located in the US. We do not offer visa sponsorship at this time.

Responsibilities

• Support Bitwarden goals by designing, developing, and maintaining secure and performant key hierarchies and cryptographic protocols.
• 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 correctly abstract crypto for other developers.
• Build and maintain internal and external documentation and specifications.
• Troubleshoot and resolve complex security vulnerabilities and issues requiring deep technical knowledge of our systems.

What You Bring to Bitwarden

• Strong proficiency and experience in Rust. Experience with TypeScript and C# are a plus.
• 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 – ability to find and communicate solutions effectively.

What to Expect in the Interview Process

• Meeting with our Recruiting team.
• Interview with Engineering Manager.
• Interview(s) with team members.
• Reference calls.

A Few Reasons to Work With Us

• Purpose-Driven Work: Contribute daily to a more secure internet experience for everyone, from individuals to large organizations.
• Become an Expert: Immerse yourself in the prominent technology markets of security and open-source software.
• Diverse & Talented Team: Work remotely with motivated and supportive team members across the globe.
• Learn and Grow: Take on new challenges with team support and join our #growth-club for personal and professional development.

Compensation & Benefits

In the United States, the starting base compensation range for this role is $140,000 - $200,000. Actual compensation may vary based on level, relevant experience, skill set, and market data by location. See our careers page for a list of benefits. Compensation outside the U.S. will differ based on the market.