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VetsEZ is seeking an experienced Ensemble / Caché Developer to support enterprise health data integration and processing for the Department of Veterans Affairs (VA) in support of the VA’s Electronic Health Record (EHR) modernization efforts.

Requirements

• 5+ years of experience developing with InterSystems Ensemble and Caché, including ObjectScript and HL7/FHIR integration.
• Strong understanding of message-based integration patterns and healthcare interoperability standards.
• Experience developing and supporting Ensemble productions in complex, high-volume environments.
• Ability to analyze trace and error logs, troubleshoot interface failures, and identify performance bottlenecks.
• Familiarity with IRIS or Caché databases, including SQL integration and performance tuning.
• Experience with REST, SOAP, and file-based integration models.
• Knowledge of container-based environments and deployment practices (e.g., Docker, Kubernetes).

Responsibilities

• Design, develop, and maintain Ensemble productions, including custom Services, Processes, and Operations for handling clinical and operational data flows.
• Build and enhance message routing logic, domain configurations, schema management, and production-level integrations using InterSystems tools.
• Develop and maintain data transformation routines using ObjectScript, XSLT, and HL7 parsing tools to support inbound and outbound messages.
• Monitor Ensemble logs, trace files, and queues to track suspended messages, retry attempts, and processing errors.
• Configure secure message transmission pipelines and implement custom business rules to support health data validation and routing.
• Create and load IRIS or SQL tables using Historical Pull methods and work with developers to refine Ensemble interfaces across all environments.
• Collaborate with system engineers and developers to integrate Ensemble with VX130 mirror systems, Oracle Health platforms, and the VA Corporate Data Warehouse.

Other

• The candidate must reside within the continental US.
• Bachelor’s degree in Computer Science, Engineering, or a related technical field.
• Excellent communication and documentation skills, with a focus on interface traceability and auditability.
• U.S. citizenship and ability to obtain and maintain a Public Trust clearance.
• Take on additional tasks and responsibilities as needed to support team objectives and ensure the success of the project.