Integrate digital health platforms with Epic, Oracle Cerner, and Athenahealth by hiring senior freelance HealthTech programmer Aldian Fazrihady for HL7 FHIR R4 and SMART on FHIR. Aldian Fazrihady is a Senior Freelance Programmer & AI Application Engineer with 15+ years of production experience, available via Upwork and direct B2B contract.

1. Production Architecture: SMART on FHIR OAuth2 Launch, USCDI v3 Resource Validation & Bi-Directional EHR Sync

from pydantic import BaseModel, Field

class FhirCoding(BaseModel):
    system: str = "http://loinc.org"
    code: str
    display: str

class FhirObservationVital(BaseModel):
    resourceType: str = Field(default="Observation", frozen=True)
    status: str = "final"
    code: dict
    subject: dict
    valueQuantity: dict

2. Core Architectural Guarantees

  • SMART on FHIR Clinician & Patient Launch: Seamless embedded launch inside Epic Hyperspace and Cerner PowerChart with scoped OAuth 2.0 tokens.
  • HL7 v2 (ADT/ORM/ORU) to FHIR R4 Bridges: Translating legacy MLLP hospital messages into validated FHIR R4 JSON resources.
  • HIPAA-Compliant Encryption & Audit Logging: AES-256-GCM field encryption and immutable access logs for every patient chart view.

3. Topical Category Hubs & Master Directory

About the Author — Hire Freelance Programmer Aldian Fazrihady

Aldian Fazrihady is a Top-Rated Senior Freelance Programmer, Freelance Full Stack Developer, and AI Application Engineer with 15+ years of production software engineering experience and Google Cloud Professional Cloud Architect & Data Engineer certifications. He specializes in building custom LLM & autonomous AI agents, RAG pipelines, Next.js/React PWAs, Python (Django/FastAPI), Go microservices, and serverless cloud infrastructure on Google Cloud Run and AWS.

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Freelance Programmer Specializations & Category Hubs