Senior Backend Engineer

The Senior Backend Engineer on the Authentication team at GitLab will build and expand authentication services, including token issuance, validation, and identity management across the Rails monolith and the new GATE service. This role involves designing secure access management tooling, addressing security vulnerabilities, and developing new authentication mechanisms like passkeys and AI agent identity support. The position requires shaping the roadmap for authentication services and collaborating on large-scale projects to enhance security and scalability for GitLab's diverse deployment models.