Principal Backend Software Engineer - Auth & Identity

📋 Description Design and build identity federation, auth, and authorization infra for Radiant cloud with external providers. Architect and develop native IAM, federation, and RBAC for secure interoperability. Build foundational identity federation and authorization tech beyond cloud integrations. Develop and maintain authentication and authorization services, including OAuth2, OIDC, SAML, and tokens. Collaborate on backend design, architecture reviews, and system evolution. Identify and resolve security issues, performance bottlenecks, or reliability challenges. 🎯 Requirements Golang and cloud-native backend development OAuth2, OIDC, SAML, JWT Cryptography fundamentals (TLS, PKI, key rotation, secrets management) RBAC and Zero-Trust principles PostgreSQL or other RDMS Scalable, low-latency microservices for authentication and authorization 🎁 Benefits 25 days of annual leave Culture emphasises results over hierarchy, process & ego Open communication, regular feedback, and growth mindset Learning Time Health & Wellbeing: private medical insurance via Bupa Cycle to Work Scheme