# Senior Software Engineer (Auth) at Bitwarden

- Company: Bitwarden
- What the company does: Bitwarden is the trusted, open source password manager for individuals, teams, and enterprises. Securely store, share, and manage passwords, passkeys, and secrets. Free to start. Backed by Battery.
- Company website: https://bitwarden.com/
- Type: Startups
- Level: Senior
- Location: Remote, U.S.
- Work setup: Remote
- Pay: $140K to $200K base salary per year (USD)
- Posted: 2026-08-25
- Apply by: 2026-10-09
- Apply: https://bitwarden.com/careers/7866918003/?gh_jid=7866918003
- Page: https://www.1752.vc/careers/jobs/bitwarden-senior-software-engineer-auth/

## About the role

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.

## What they're looking for

- 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)
- Experience working with Claude/LLMs or an openness to learn how to work the technology
- Strong technical writing skills and the ability to clearly communicate complex problems
- Attention to detail, we take our responsibility for authenticating our users very seriously

Tags: Engineering