> Markdown version of [/jobs/ext/4627911-senior-net-edi-developer-healthcare-100-remote-only-w2](https://www.wearedevelopers.com/jobs/ext/4627911-senior-net-edi-developer-healthcare-100-remote-only-w2). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior .NET / EDI Developer (Healthcare) -- 100% Remote -- Only W2 - **Company:** Trebecon LLC - **Location:** United States (Remote available) - **Experience:** Expert - **Contract:** Contract - **Skills:** .NET Framework, Application Programming Interfaces (APIs), ASC X12 Standards, C Sharp (Programming Language), Code Review, UN Electronic Data Interchange for Administration Commerce and Transport, Microsoft SQL Server, Performance Tuning, Secure Coding, Software Engineering, Systems Integration, Transaction Processing (Computing), .NET Core, Database Optimization, Backend, Restful APIs, Web Api - **Published:** November 7, 2026 - **Apply:** https://www.dice.com/job-detail/4a575ab4-638c-440a-abcb-e42e5b6b1751 ## About the Role 10+ years of software development experience., Familiarity with secure coding practices and healthcare compliance requirements. Healthcare Domain Experience * Strong knowledge of ## Description * 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.