Senior Software Engineer (EDI & FHIR)

tango is a leader in the home health management industry and is preparing for significant growth! They are seeking a Senior Software Engineer with deep experience in healthcare interoperability, specifically EDI and FHIR-based integrations, to lead architecture decisions and integration strategies while mentoring others.

Responsibilities:

• Lead and participate in all phases of the software development lifecycle, from ideation and architecture through implementation, deployment, and long-term support
• Design, build, and maintain enterprise-grade applications and integration services supporting EDI (X12) and FHIR-based APIs in high-volume healthcare environments
• Serve as a technical authority for healthcare data exchange, including claims, eligibility, authorizations, clinical data, and member/provider workflows
• Architect and develop scalable, secure web services using REST, SOAP, XML, JSON, and FHIR standards
• Ensure interoperability with external partners, payers, providers, and vendors while maintaining compliance with healthcare regulations
• Collaborate with product management, business stakeholders, and operations to translate complex healthcare requirements into robust technical solutions
• Establish and enforce coding standards, integration patterns, and best practices across the team
• Proactively identify performance, scalability, security, and reliability risks and drive mitigation strategies
• Oversee source control, branching strategies, and CI/CD pipelines in Azure DevOps
• Actively participate in production releases, deployments, monitoring, and incident resolution
• Mentor mid-level and junior engineers through design reviews, code reviews, and technical guidance
• Manage multiple priorities while contributing to roadmap planning and technical strategy
• Participate in customer, partner, and internal stakeholder meetings as a senior technical representative
• Perform other duties as assigned

Requirements:

• 10+ years of experience designing, building, and supporting enterprise applications and integration platforms
• Strong hands-on experience with healthcare EDI, including X12 transactions (e.g., 270/271, 276/277, 278, 837, 835)
• Experience designing and implementing FHIR-based APIs, including resource modeling, versioning, validation, and interoperability considerations
• Proven experience architecting mission-critical, high-availability systems handling large data volumes and high transaction throughput
• Expert-level experience with .NET Core / ASP.NET, C#, and modern web application development
• Strong experience with React and modern front-end development practices
• Extensive experience with Web Services (REST, SOAP), XML, JSON, and API integration patterns
• Experience with Azure DevOps, CI/CD pipelines, and infrastructure-aware development
• Strong experience with Git and collaborative development workflows
• Solid experience with SQL Server (2008+) and working knowledge of NoSQL databases
• Experience with Agile/Scrum methodologies in a mature engineering organization
• Bachelor's degree in computer science, Computer Engineering, or a related field (or equivalent experience)
• Excellent computer skills and a proven ability to work independently in a remote environment
• Strong attention to detail with a commitment to quality and follow-through
• Ability to maintain confidentiality of sensitive and regulated healthcare information
• Demonstrated ability to work effectively across diverse teams and environments
• Experience in healthcare, regulated environments, or compliance-driven systems is strongly preferred