Remote Senior .NET Developer for Italian Healthcare

Red Commerce Schweiz GmbH; Italy; Remote; EUR 70,000 - 100,000; Full time

Job summary

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

Qualifications

• 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

Responsibilities

• 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

Skills

C#

.NET Framework 4.6/4.8

.NET Standard 2.0

.NET 8+

SOAP/WCF

REST/HTTP APIs

JWT/OAuth2/OpenID Connect

SAML

X.509 Certificates (mTLS, XML Digital)

NUnit

Moq

FluentAssertions

Tools

GitLab CI/CD

Docker

PowerShell

SonarQube

Job description

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