Lead Backend Engineer - Data Interoperability

b.well Connected Health is solving healthcare’s fragmentation problem with their FHIR-based health data management platform. They are seeking a Lead Backend Engineer to spearhead healthcare data interoperability initiatives, leading a team to build and scale solutions for seamless health data exchange across diverse ecosystems.

Responsibilities:

• Lead the design, development, and implementation of large-scale, real-time health data interoperability solutions supporting millions of patient records
• Architect and oversee Patient Access APIs, Provider Directory APIs, and Bulk FHIR APIs in compliance with CMS Interoperability and Patient Access Final Rule and lead the connections to national networks (Carequality, CommonWell, eHealth Exchange, TEFCA)
• Drive technical strategy for FHIR and US Core Implementation Guide adoption across all integration points
• Design scalable data pipelines for ingesting, transforming, and exchanging health data from multiple sources including EMRs, HIE/HINs, wearables, IoT devices, and remote patient monitoring systems
• Establish technical standards, best practices, and architectural patterns for interoperability solutions
• Lead evaluation and selection of interoperability platforms, tools, and vendor solutions
• Design, Architect, build, and maintain b.well’s data real-time pipeline infrastructure using Python, Spark, Prefect, Kubernetes and applied LLMs / modern technologies
• Lead a team of data engineers to build data pipelines and infrastructure that connects to thousands of data sources around the country including health providers, insurance companies, pharmacies and labs
• Help lead other developers to coach and improve their career development and amplify their impact
• You will safeguard sensitive data by following policies and training concerning your security and privacy responsibilities
• Collaborate with product, clinical, engineering, and business teams to define interoperability requirements

Requirements:

• 8+ years of hands-on experience in healthcare interoperability and health IT
• 5+ years of direct experience with FHIR standards and implementations (FHIR R4 required)
• 3+ years in a technical leadership role managing interoperability or data engineering teams
• Proven track record of leading large-scale, real-time health data exchange implementations serving 100K+ patients
• Extensive experience integrating with multiple EMR systems (minimum 5+ different EMR platforms)
• Direct experience implementing Patient Access APIs and Bulk FHIR APIs in compliance with CMS regulations and with HIE/HIN integrations and national networks (Carequality, CommonWell, or similar)
• Expert-level knowledge of HL7 FHIR R4 specification and resource models
• Deep understanding of US Core Implementation Guide, USCDI, and ONC certification requirements
• Proficiency with SMART on FHIR authorization framework (OAuth 2.0, OpenID Connect, SMART scopes)
• Strong knowledge of HL7 v2.x messaging standards (ADT, ORM, ORU, etc.)
• Experience with CDA (Clinical Document Architecture) and C-CDA documents
• Strong knowledge of API security: OAuth 2.0, JWT, mTLS, API keys, rate limiting
• Proficiency with message queuing systems (Kafka, RabbitMQ, AWS SQS, Azure Service Bus)
• Strong programming skills in at least two of: Python, Java, JavaScript/TypeScript, Go, C#
• Experience with modern frameworks: Node.js, Spring Boot, .NET Core, Django/Flask
• Proficiency with SQL and NoSQL databases (PostgreSQL, MySQL, MongoDB, DynamoDB)
• Experience with data formats: JSON, XML, FHIR JSON/XML, HL7 v2.x, CSV
• Knowledge of data validation, schema validation (JSON Schema, FHIR Validator)