Senior Software Engineer (Auth)

Bitwarden

Remote · United States$11,667–16,667 gross/mofull-timeBitwarden Careers

As a Senior II Software Engineer on our Auth team, you will be responsible for developing and maintaining the core authentication systems for the Bitwarden clients - web, desktop, browser extension, CLI, and mobile apps. The Auth team owns code in our Angular clients, our shared Rust core, and our IdentityServer and API back-end, supporting password, SSO, passkey, and other authentication methods, as well as our 2FA and account management.

Responsibilities

Build and maintain our authentication code in our shared Rust core library, Angular clients, and IdentityServer back-end
Scope and refine upcoming initiatives, working collaboratively across teams to design, document, and communicate forward-looking solutions
Contribute constructively in team discussions - synchronous and asynchronous - building shared understanding and driving toward actionable results
Provide timely, thorough, and well-reasoned code reviews
Triage, diagnose, and resolve bugs reported by our community and our customers
Update and validate core dependencies to ensure a secure and stable supply chain
WHAT YOU BRING TO BITWARDEN
Extensive experience developing in Angular/.NET experience a strong plus
Familiarity with integrating Rust into other clients using WASM and UNIFFI bindings
Understanding of modern web authentication concepts (OAuth 2.0, OIDC, WebAuthn)

Languages

Work format: Remote
Seniority: Senior
Posted: 25 Aug 2026
Last verified: In the last 5 days

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