Roneena Aj
HL7 Integration Specialist | HL7 v2.x • FHIR • API Integration • EHR/EMR Systems | Open to New Opportunities
- Role
- Rhapsody Engineer at WellSky
- Location
- Cincinnati, OH, US
- LinkedIn followers
- 500 followers
About Roneena Aj
I am an HL7 FHIR Certified Senior Consultant with 10+ years of specialized experience in…
Experience
Rhapsody Engineer
Feb 2024 — Present · Overland Park, KS, US
Engineered HL7 FHIR R4 message processing architecture implementing custom resource bundles, OAuth 2.0 token validation, and JSON/XML serialization for ADT, ORM, ORU, and SIU message types with real-time Epic-Cerner EHR synchronization• Built enterprise-grade RESTful API infrastructure utilizing HTTPS/TLS 1.3 encryption, custom middleware for HIPAA audit logging, and connection pooling strategies to integrate EHR, PACS, LIS, and RIS systems with sub-second response times• Configured Mirth Connect channel architectures across 15+ facilities with custom JavaScript transformers, database connectors, TCP/MLLP listeners, and dead letter queue implementations for fault-tolerant message routing and error recovery• Developed DICOM C-STORE/C-FIND service implementations with custom WADO-RS endpoints, pixel data compression algorithms, and PACS integration using DCM4CHE libraries for cardiology and radiology imaging workflows• Implemented automated deployment pipelines using Python, Docker containerization, Git hooks, and Jenkins CI/CD with infrastructure-as-code practices for zero-downtime interface deployments and configuration management• Architected comprehensive monitoring solutions with custom Python scripts for HL7 message parsing, system health metrics collection, log aggregation using ELK stack, and real-time alerting for interface performance optimization
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