Senior Healthcare Interoperability Engineer

We are seeking a Senior Healthcare Interoperability Engineer for a 3-month hybrid (2 days/wk onsite) position with our Austin, Texas client, designing, developing, testing, and supporting healthcare interfaces and interoperability services. This role focuses on HL7 v2 and FHIR-based integrations, including REST APIs and secure data exchange. You will work across teams to deliver reliable integrations, validate and transform clinical data, troubleshoot issues in production, and contribute to modern delivery practices (CI/CD, automated testing, monitoring, documentation).

Key Responsibilities Design, build, test, deploy, and support healthcare interfaces and integration services.

Implement and maintain integrations using HL7 v2, FHIR, REST APIs, JSON, XML, and related healthcare data exchange patterns.

Perform data mapping, transformation, validation, error handling, and troubleshooting across systems.

Build and support secure API-driven services and/or portal-integrated solutions that retrieve and display healthcare data.

Implement authentication/authorization patterns including role-based access control (RBAC) and secure coding practices.

Support production operations: triage incidents, analyze logs, fix defects, and implement monitoring/alerting improvements.

Participate in code reviews, testing strategy, CI/CD adoption, and technical documentation to ensure high-quality delivery.

Collaborate with stakeholders to interpret requirements and align solutions to healthcare Requirements 8+ years of experience designing, developing, testing, and supporting healthcare interfaces using:

HL7 v2 and/or FHIRREST APIs, JSON, XMLData mapping/transformation/validation, troubleshooting, and error handling in healthcare data exchange Preferred: 5+ years building secure web portals or portal-integrated services for healthcare data, including:

API integrations, authentication/authorization, RBAC, secure coding, testing, and production support5+ years experience with Type Script, JavaScript, and/or Python3+ years (strongly preferred) implementing FHIR solutions using:

US Core profiles, Electronic Case Reporting (eCR/eICR) Implementation Guides, and other HL7 IGs3+ years (strongly preferred) integrating with or implementing FHIR servers/FHIR APIs and interoperability solutions3+ years mapping/transforming/validating data across HL7 v2, FHIR, and analytical data models3+ years working with terminology standards: SNOMED CT, LOINC, ICD-10, CVX, RxNorm3+ years implementing FHIR solutions on AWS (or similar cloud) and integrating with cloud ingestion pipelines, storage, analytics, and enterprise data platforms3+ years experience with modern delivery practices:

Git, automated builds, CI/CD, unit/integration testing, code reviews, defect tracking, logging/monitoring, technical documentation1+ year experience with any of the following:

AWS Health Lake, Snowflake, eICR, public health reporting, disease surveillance, React, FastAPI, Terraform