FHIR API Developer

Cloudious•Eagan, MN
•Onsite

About The Position

Seeking an experienced Senior FHIR API Developer to design, develop, and implement healthcare interoperability solutions using HL7 FHIR standards. The role involves building scalable APIs, integrating healthcare systems, and supporting CMS interoperability initiatives across payer and provider environments. The developer will create RESTful APIs and healthcare data integrations, implement security models, work with FHIR platforms and cloud services, and collaborate with technical and healthcare stakeholders. The role also includes technical leadership activities such as code reviews, performance tuning, production support, and mentoring, as well as support for cloud-native deployments, CI/CD automation, and API governance.

Requirements

  • 12–15 years of software development experience.
  • Three years of hands-on experience with HL7 FHIR implementation.
  • Strong experience in Node.js, JavaScript, and TypeScript.
  • Expertise in REST APIs, microservices, JSON, XML, and API integration.
  • Experience with healthcare standards including FHIR, HL7, X12, and CCDA.
  • Knowledge of healthcare payer and provider workflows, including claims, benefits, membership, and prior authorization.
  • Good experience with AWS services such as EC2, Lambda, S3, API Gateway, and DynamoDB.
  • Familiarity with Docker, Kubernetes, and CI/CD pipelines.
  • Mandatory skills: .NET Core, API Gateway, JSON, and microservices.

Nice To Haves

  • Experience with CMS Interoperability and Patient Access regulations.
  • Knowledge of Da Vinci Implementation Guides, including CRD, DTR, and PAS.
  • Healthcare payer experience with organizations such as BCBS, CVS, Elevance, Humana, or UnitedHealthcare.
  • Prior technical leadership or architecture experience.
  • Knowledge of MS interoperability requirements.

Responsibilities

  • Design and develop RESTful APIs based on HL7 FHIR R4/R5 standards.
  • Implement interoperability solutions involving FHIR, HL7 v2, CCDA, and X12 EDI transactions.
  • Develop and maintain APIs for Patient, Member, Coverage, Claims, Prior Authorization, and Provider Directory use cases.
  • Create mappings and transformations between legacy healthcare systems and FHIR resources.
  • Implement SMART on FHIR, OAuth 2.0, OpenID Connect, and JWT-based security models.
  • Work with FHIR platforms such as HAPI FHIR, Smile CDR, Azure Health Data Services, or AWS Health Lake.
  • Collaborate with architects, business analysts, and healthcare SMEs to deliver end-to-end API solutions.
  • Lead code reviews, performance tuning, production support, and technical mentoring activities.
  • Support CMS Interoperability, Patient Access, Payer-to-Payer, and Prior Authorization API initiatives.
  • Participate in cloud-native deployments, CI/CD automation, and API governance activities.
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