Senior Developer (Windows), Product Security
1PasswordToronto, Ontario, Canada ā¢ Austin, Texas, United States
Posted March 10, 2026
Full Time
About the Company
1Password is a company that builds password managers and security software.
Job Description
We're building the foundation for a safe, productive digital future. Our mission is to unleash employee productivity without compromising security by ensuring every identity is authentic, every application sign-in is secure, and every device is trusted.
Requirements
- 4+ years of experience in software development with a security angle
- Development experience with modern encryption techniques and libraries or authentication protocols
- 4+ years of hands-on experience with Windows security development with technical expertise in languages such as Rust, C#, C/C++, Go or TypeScript
- Experience with Rust development and creating FFI interfaces, especially for Windows. Knowledge of Windows OS architecture and platform-specific optimization techniques
- Familiarity with TPM and HSM functionality with proven experience in Windows security features such as Windows Hello, BitLocker, Secure Boot, and Credential Guard
Benefits
- Health and wellbeing
- Growth and future
- Community
