Senior Software Engineer (Provider/Business Unit Portals)

About this role

Build and operate Bitwarden’s Provider and Business Unit Portals, which help administrators manage multiple Enterprise organizations. This hands-on role owns delivery and operational health end to end, with a focus on secure, reliable enterprise governance.

About the company

Bitwarden is an open-source password manager for individuals and organizations. It helps teams securely store, share, and manage credentials across devices.

The team

Provider/Business Unit Portals team

Stack

What you'll do

• Design, build, test, deploy, and operate portal services and applications
• Set engineering standards for code review, testing, API design, and secure coding
• Maintain resilient service boundaries, architecture specifications, API contracts, and developer documentation
• Mentor engineers and provide design feedback
• Improve performance, reliability, accessibility, and maintainability
• Own production operational health, performance, and telemetry
• Collaborate with Product, Design, Security, and engineering teams

What we're looking for

• 5+ years building and operating production enterprise software
• Expertise in C#/.NET and working proficiency in TypeScript/Angular or Rust
• Experience with relational database design, optimization, SQL Server, and APIs/SDKs
• Track record of incremental modernization in a live codebase
• Practical experience with containerized environments, automated testing, and observability tools
• Familiarity with zero-trust and zero-knowledge security, encryption, and threat modeling
• Collaborative approach and clear, data-informed technical documentation

Nice to have

• Experience with AI-assisted development, preferably Claude Code
• Familiarity with MVC and Entity Framework or an adjacent ORM
• Enthusiasm for open source and developer advocacy