Software Engineer - III (HL7, FHIR, Mirth / Healthcare Interoperability)

Summary of Position

Teladoc Health is seeking a Senior/Mid Software Engineer – Mirth / Healthcare Interoperability to join our engineering organization and build, enhance, and support healthcare integrations that enable the secure and reliable exchange of clinical and operational data.

This is a hands-on engineering role focused on Mirth Connect, HL7v2, and healthcare interoperability. The engineer will design and implement complex integration workflows, troubleshoot production interfaces, collaborate with internal teams and external healthcare partners, and contribute to the evolution of our integration platform.

The ideal candidate brings strong expertise in Mirth Connect and HL7v2, combined with solid software engineering, integration, debugging, and production support skills. Experience with FHIR, EHR/EMR integrations, and healthcare interoperability standards is highly valued.

Key Responsibilities

Healthcare Integration & Engineering

• Design, develop, configure, test, deploy, and maintain healthcare interfaces using Mirth Connect.
• Develop complex integration workflows for HL7v2 message parsing, transformation, validation, routing, and delivery.
• Develop reusable and maintainable JavaScript-based transformations and business logic within Mirth Connect.
• Integrate healthcare systems using TCP/MLLP, HTTP/HTTPS, SFTP, and other integration protocols.
• Translate business and technical requirements into robust, scalable, and production-ready integration solutions.
• Collaborate with internal engineering teams, healthcare organizations, and external vendors to design and implement

interfaces.

• Contribute to the design and evolution of healthcare interoperability solutions and integration architecture.
• Identify opportunities to improve integration performance, reliability, maintainability, and operational efficiency.

Production Support & Reliability

• Monitor and support production healthcare interfaces and integration workflows.
• Diagnose and resolve issues involving message processing, transformation, routing, connectivity, certificates, and downstream

systems.

• Troubleshoot network and protocol-level issues across MLLP, HTTP/HTTPS, and SFTP.
• Perform root-cause analysis for production incidents and implement sustainable corrective actions.
• Improve interface reliability through effective logging, monitoring, alerting, error handling, and operational automation.
• Participate in an on-call rotation supporting critical production integrations.
• Ensure integration solutions meet appropriate security, reliability, and operational standards.

Collaboration & Technical Leadership

• Partner with product managers, architects, engineers, analysts, and external vendors to deliver healthcare integration solutions.
• Communicate technical designs, issues, risks, and solutions clearly to technical and non-technical stakeholders.
• Participate in technical design and architecture reviews.
• Conduct code and configuration reviews and promote standards for secure, scalable, and maintainable integration
• Create and maintain technical documentation, including interface specifications, mapping documents, design documents, and operational runbooks.
• Mentor engineers and serve as a technical resource for Mirth Connect, HL7v2, and healthcare interoperability.
• Contribute to engineering standards, reusable patterns, and continuous improvement across the integration platform.

Required Qualifications

• 5+ years of professional software engineering and/or healthcare integration experience, including 3+ years of hands-on experience developing and supporting Mirth Connect integrations.
• Strong, practical knowledge of HL7v2, including message structure, segments, fields, components, repetitions, acknowledgments, and common message types.
• Demonstrated experience designing and implementing Mirth Connect channels, including connectors, filters, transformers, and JavaScript.
• Strong experience with TCP/MLLP, HTTP/HTTPS, and SFTP.
• Proven ability to troubleshoot connectivity, message delivery, transformation, routing, and downstream system issues in production environments.
• Working knowledge of JavaScript for Mirth transformations and integration logic.
• Understanding of SSL/TLS, certificates, keystores/trust stores, and secure endpoint configuration.
• Working knowledge of SQL and relational databases.
• Experience with software development lifecycle practices, source control, testing, deployment, and production support.
• Strong debugging, analytical, and problem-solving skills.
• Strong communication and collaboration skills, with the ability to work effectively across engineering teams, business stakeholders, and external partners.

Preferred Qualifications

• Hands-on experience with FHIR, including FHIR resources, APIs, and integration patterns.
• Experience with EHR/EMR integrations and healthcare information exchange.
• Experience with CCDA/C-CDA.
• Familiarity with XDS.b and XCA.
• Experience working with healthcare interoperability standards and architectures.
• Experience developing or integrating with REST APIs and web services.
• Experience with MongoDB or other NoSQL databases.
• Experience with other healthcare interface engines such as Rhapsody, Corepoint, Cloverleaf, or similar technologies.
• Experience with cloud platforms such as AWS, Azure, or GCP.
• Mirth Connect Certified Developer (MCCD) certification.
• Participation in Mirth Connect, healthcare interoperability, or open-source technical communities.