.NET Integration Engineer — FHIR Hub Ingestion

📋 Description

• Build production-grade C#/.NET services consuming authenticated REST and FHIR interfaces.
• Configure client connectivity to the FHIR Hub: registration, credentials, keys, scopes, sandbox
• Implement bulk data export with asynchronous jobs, manifest polling, NDJSON streaming, resumable
• Design data persistence with relational databases: staging, checkpoints, transactions, audit
• Map source API resources to target data models with client SMEs.
• Design JSON-to-file transformations for downstream systems (fixed-width, delimited, encoding

🎯 Requirements

• Strong hands-on C#/.NET experience building production services, not limited to web API development.
• Experience consuming third-party REST/JSON APIs with OAuth 2.0 or token-based authentication.
• Proven file-format engineering: fixed-width/delimited files and/or XML validated against XSD.
• Strong SQL and relational data-modeling, staging, transactions, and data reconciliation.
• Experience with batch/job orchestration (Windows Services, Quartz, Hangfire, etc.) and emphasis on
• Experience with secure file transfer (SFTP) and atomic file-delivery patterns.

🎁 Benefits

• Opportunity to work remotely from within the continental United States.
• Hands-on work on a healthcare data integration project involving FHIR, .NET, secure pipelines
• Collaborate with client SMEs to influence architecture and implementation.
• Exposure to healthcare interoperability, federal security, modern API integration, and enterprise
• Durable, operationally supported solutions over one-time migrations.
• Contract-to-full-time path based on project needs and performance.