---
title: 'Senior Software Engineer II (Auth) at Bitwarden'
canonical: 'https://feeny.ai/job/senior-software-engineer-ii-auth-bitwarden-united-states-sya2adrsvbcz'
type: 'job'
last_seen: '2026-09-10'
---

# Senior Software Engineer II (Auth) at Bitwarden

- **Company:** Bitwarden
- **Location:** United States
- **Work type:** remote
- **Posted:** 2026-08-25
- **Last confirmed live:** 2026-09-10
- **Apply:** https://bitwarden.com/careers/7866918003/?gh_jid=7866918003

## Job description

Bitwarden is the trusted identity security leader for millions of users worldwide, empowering enterprises, developers, and individuals to securely manage and share sensitive information anywhere. Bitwarden makes it easy for all users to extend robust security across their devices with password management, secrets management, and passwordless and passkey innovations. The company is headquartered in Santa Barbara, California with team members located across the globe. Learn more at [bitwarden.com](https://bitwarden.com/).

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.  A candidate for this position should have very strong skills in Rust and Angular, working in complex and multi-client applications, as well as excellent communication and technical writing abilities.

We are a team of curious, passionate engineers who strive to solve difficult problems and enable success in others. If this sounds like you, we encourage you to apply.

This is an all-remote team and we’re looking for someone located in the U.S. We do not offer visa sponsorship at this time.

## 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)
- 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
- Knowledge of modern encryption techniques and principles of secure development are a plus
- 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 – you might not know all the answers, but you know how to find and communicate the solution

## WHAT TO EXPECT IN THE INTERVIEW PROCESS

- Meeting with our Recruiting Manager
- Interview with Auth team Engineering Manager and Platform Group Manager
- Panel interview with Auth team

## A FEW REASONS TO WORK WITH US

- Our user community loves us and we love them. Come to work each day with a sense of purpose as we bring a more secure internet experience to everyone from our friends and family to the world’s largest organizations.
- Become an expert. You’ll get immersed in the prominent technology markets of security and open source software.
- We are dedicated to building a diverse and talented team. Work remotely with motivated and supportive team members across the world.
- Learn and grow. Take on new challenges with the support of your team, and join our #growth-club to continue personal and professional development.

In the United States, the starting base compensation range for this role is $180,000 - $215,000. Actual compensation may vary based on level, relevant experience, and skill set as assessed in the interview process, as well as market data by location. See our careers page for a list of benefits. Please note that compensation outside the U.S. will differ based on the market.

## About Bitwarden

## Company Overview
- **One-liner**: Bitwarden provides open source password management, secrets management, and passwordless authentication solutions for individuals, teams, and enterprises.
- **Entity Type**: Private
- **Headquarters**: Santa Barbara, CA, USA
- **Founded**: 2016
- **Founders**: Kyle Spearrin

## Core Business
- **Primary industries**: Cybersecurity, password management, identity and access management
- **Target customers**: B2B (enterprise, SMB, developers) and B2C (individuals)
- **Mission**: Help people stay safe online; envision a world where no one gets hacked.

## Products & Services
- **Bitwarden Password Manager**: Cloud-based or self-hosted password manager with end-to-end encryption, available for individuals, families, teams, and enterprises. Includes breach reports, password health checks, and multi-factor authentication.  
- **Bitwarden Secrets Manager**: Centralized management of machine credentials, API keys, and other secrets for developers and DevOps teams.  
- **Bitwarden Passwordless.dev**: Developer API for building FIDO2 WebAuthn passkey authentication into websites and applications.

## Market Standing
- **Valuation/Market Cap**: Not publicly available
- **Key Metrics**: 80,000+ businesses and 15+ million users across 180+ countries and 50+ languages.
- **Notable Investors/Partners**: Not disclosed in available sources
- **Growth Signals**: #1 in G2 Enterprise User Satisfaction for 11 consecutive quarters; active community of 100,000+ members on GitHub, forums, and Reddit; expansion into secrets management and passwordless authentication.

## Competitive Advantages
- **Open source transparency**: All code is publicly auditable, building trust and enabling self-hosting.
- **Zero-knowledge encryption**: Data is encrypted before leaving the user’s device; Bitwarden servers never see plaintext data.
- **Self-hosting option**: Organizations can deploy on their own infrastructure for full control.
- **Compliance standards**: Meets or exceeds international security and privacy standards (SOC 2, GDPR, etc.).
- **Affordable pricing**: Generous free tier and competitive paid plans.

## Strategic Focus
- Accelerating passwordless authentication (passkeys, biometrics) and securing AI agent and machine identities.
- Expanding developer and DevOps tooling (Secrets Manager, Passwordless.dev).
- Continuing open source community growth and enterprise adoption.

## Why Work Here
- **Fully distributed, remote-first company** – no commute; company computer provided and $500 home office reimbursement.
- **Time off**: 20 days flexible PTO + 11 flexible holidays per year; extra week of vacation after four years.
- **Financial rewards**: 401(k) plan contributions; skill development reimbursement of $500 annually.
- **Health**: Medical, dental, and vision premiums covered (US); international benefits calculated into pay.
- **Culture**: Values of Gratitude, Responsibility, Innovation, and Trust (GRIT); regular remote team-building events.
- **Growth mindset**: Encouraged to learn and grow; $500 annual reimbursement for books, courses, etc.

## Sources
1. [Bitwarden Careers](https://bitwarden.com/careers/)
2. [Bitwarden About Us](https://bitwarden.com/about/)
3. [Bitwarden Homepage](https://bitwarden.com/)
4. [Bitwarden LinkedIn Jobs](https://www.linkedin.com/company/bitwarden1)
5. [Bitwarden Indeed Jobs](https://www.indeed.com/cmp/Bitwarden/jobs)

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