Senior Developer (Windows), Product Security
Core
Implementing next-generation security features and secure libraries for 1Password's cross-platform applications (Windows, macOS, iOS, Android, Linux, Web) to ensure device trust and secure sign-ins.
Role type
Senior IC Windows Security Developer
Builds
Production security features, secure libraries, and shared security-critical code for 1Password applications
Domain
Cybersecurity, Device Security, Windows OS, Cryptography
Deliverable
production ML models | product features
Required skills
Windows security development, modern encryption techniques, authentication protocols, Rust development, FFI interfaces, Windows OS architecture, TPM/HSM functionality, secure coding practices, cryptography, network security, application security, access control mechanisms, Agentic AI workflows
Preferred skills
SAML, OAuth, OpenID Connect, SaaS product development, CI/CD pipelines, system analysis tools (DataDog, SemGrep, Sonarqube, Fortify)
Technologies
Rust, C#, C/C++, Go, TypeScript, Windows Hello, BitLocker, Secure Boot, Credential Guard, TPM, HSM
Responsibilities
Implement new security features and develop secure libraries, assist in security design and scoping, demonstrate leadership in secure coding, code/test/debug/maintain production systems, mentor junior developers, review code for quality, communicate technical requirements to stakeholders
Seniority
Senior, hands-on IC
