Senior .NET / EDI Developer (Healthcare) -- 100% Remote -- Only W2

* Design, develop, and maintain enterprise-grade applications using C#, .NET Framework/.NET Core/.NET 6+. * Develop and support healthcare EDI transaction processing solutions. * Implement, validate, and troubleshoot EDI X12 transactions including:

* 837 (Claims) * 835 (Remittance Advice) * 834 (Enrollment) * 270/271 (Eligibility) * 276/277 (Claim Status)

Build and maintain APIs, integration services, and backend processing systems.

Develop EDI mapping, transformation, validation, and error-handling workflows.

Ensure compliance with HIPAA regulations and PHI data protection requirements.

Collaborate with business analysts, healthcare clients, and implementation teams to gather requirements.

Monitor production integrations and resolve EDI-related issues.

Optimize system performance and scalability.

Participate in code reviews, testing, deployment, and production support activities.

Create technical documentation and support operational procedures., NET Framework * .NET Core / .NET 6+ * Web API * RESTful Services * SQL Server

Deep understanding of healthcare EDI standards.

Hands-on experience with: * X12 EDI transactions (837, 835, 834, 270/271, 276/277) * EDI validation and processing * EDI mapping and transformation

Strong SQL development and database optimization skills.

Experience troubleshooting production EDI transactions and claim processing issues.

10+ years of software development experience., Familiarity with secure coding practices and healthcare compliance requirements. Healthcare Domain Experience * Strong knowledge of