Senior .NET Backend Architect - Hybrid (REST/GraphQL)

Isio Group is seeking a senior backend developer to design and build backend services for an investment technology platform. You will own features end-to-end, design REST/GraphQL APIs with C#, and implement reliable, secure systems with observability in production.

You will collaborate with product stakeholders, mentor peers and contribute to architectural decisions while working in a hybrid, flexible environment and supporting a nationwide client base.