Remote Senior .NET Developer for Italian Healthcare

Red Commerce Schweiz GmbH seeks a Senior .NET Developer to design and maintain integrations with Italian public healthcare systems. You will focus on secure SOAP/REST services, implement OAuth2, OpenID Connect, SAML, JWT and mTLS, and ensure overall application security and testing.

The role is mainly remote with Bari, Italy, starting ASAP for a 5-month contract with potential extension. Ideal candidates have 8–10+ years in .NET, deep C# expertise, and experience with WCF/SOAP and modern

Develop applications in C# and .NET Build and maintain SOAP/WCF and REST integrations Implement OAuth2, OpenID Connect, SAML, JWT, and mTLS Ensure application security and testing Integrate with Italian healthcare services 8-10+ years of professional .NET development experience Proficient in C# and .NET technologies across frameworks and standards Experience with SOAP/WCF and REST HTTP APIs Hands-on with OAuth2, OpenID Connect, SAML, JWT, and mTLS Experience with unit testing and test frameworks such as NUnit Familiarity with X.509 certificates and secure communications Knowledge of Italian healthcare domain and HL7/IHE is a plus