Senior C# IAM Developer – Auth0, CIAM, AWS – Outside IR35 (13 views)

The City, Central London
September 15, 2026

Senior C# IAM Developer – Auth0, Identity & Access Control, AWS OUTSIDE IR35 Contract: 8 months Rate: £700 – £750 OUTSIDE IR35 Location: 100% remote The Role: Working for a global, market leading B2B SaaS business, youll lead the design and implementation of secure, identity-driven backend services in a modern C#/.NET environment. Your work will centre on authentication, authorization, and secure event-driven architectures. Youll own our Auth0 integration end-to-end , ensuring our platform meet…

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