FHIR Integration Engineer: MongoDB + Firely Expert

Discover International; California; On-site; USD 120,000 - 160,000; Full time

Job summary

Discover International seeks a Healthcare Integration Engineer to design and maintain a scalable healthtech platform, building FHIR-compliant APIs and managing Firely Server with MongoDB for complex patient data across EHR systems.

The role emphasizes secure data handling, HIPAA/GDPR compliance, and high-throughput data processing with emphasis on performance and interoperability standards.

Qualifications

• 3+ years in healthcare software engineering, healthtech integration, or clinical informatics.
• Deep working knowledge of HL7 FHIR resources, profiles, extensions, and RESTful interactions.
• Hands-on experience with Firely Server and the Firely .NET/C# SDKs, including performance tuning, architecture, and design.
• 3+ years of experience with MongoDB (query optimization, indexing, aggregation frameworks, document modeling).
• Proficiency in C#/.NET Core or Node.js/TypeScript for backend services and plugins.
• Familiarity with EHR integration (Epic, Cerner/Oracle Health, athenahealth) and healthcare data specs (SMART on FHIR, OAuth2/OIDC).

Responsibilities

• API & Integration Development: Design, implement, and maintain secure, scalable RESTful APIs adhering to FHIR standards (US Core, R4/STU3).
• FHIR Server Management: Deploy, configure, and optimize Firely Server and related Firely SDK tools for high-concurrency data requests.
• Database Architecture: Schema design and optimization of MongoDB for complex nested FHIR documents.
• Data Pipeline & Transformation: Build ETL/ELT pipelines to map legacy formats to standardized FHIR resources.
• Compliance & Security: Ensure data persistence, transmission, and integration meet HIPAA, GDPR, SOC 2 guidelines.
• Testing & Validation: End-to-end integration testing, FHIR profile validation, performance tuning for low-latency queries.

Skills

FHIR expertise

API design

MongoDB

C#/.NET

Node.js/TypeScript

HIPAA/GDPR compliance

EHR interoperability

Tools

Firely Server

Firely SDK

MongoDB tools

Docker

Kubernetes

Job description

Discover International seeks a Healthcare Integration Engineer to design and maintain a scalable healthtech platform, building FHIR-compliant APIs and managing Firely Server with MongoDB for complex patient data across EHR systems.

The role emphasizes secure data handling, HIPAA/GDPR compliance, and high-throughput data processing with emphasis on performance and interoperability standards.