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I will develop healthcare interoperability using hl7 fhir apis
Muhammad Abbas
About this gig
Need to connect healthcare systems, integrate an EHR or EMR, or fix an existing HL7/FHIR integration?
I develop secure, maintainable healthcare integrations using HL7, FHIR APIs, ASP.NET Core, C#, SQL Server, and REST APIs.
I can help with:
- HL7 v2 and FHIR API integration
- EHR, EMR, and medical software connectivity
- Patient, Practitioner, Encounter, Observation, Condition, Appointment, and other FHIR resources
- Healthcare data mapping and transformation
- Clinical data synchronization
- OAuth 2.0 authentication and role-based access
- API validation, error handling, and logging
- Existing integration troubleshooting
- ASP.NET Core healthcare software development
- SQL Server and API performance improvements
You will receive clean, tested, maintainable source code with documentation and clear communication.
Each package covers one defined issue, API, resource workflow, or data-exchange process. Complete platforms and multi-system integrations require a custom offer.
Please message me before ordering with your EHR vendor, API documentation, required message or resource types, authentication method, current issue, and expected workflow.
Get to know Muhammad Abbas
Muhammad Abbas
Senior NET Full Stack Engineer
- FromPakistan
- Member sinceAug 2026
- Avg. response time1 hour
Languages
English
I’m a Senior .NET Developer with 7+ years of experience building reliable fintech, loan management, healthcare, and business applications. I can help you develop ASP.NET Core Web APIs, fix backend issues, optimize SQL Server databases, integrate third-party APIs, and modernize legacy .NET systems. I also work with Angular and React for full-stack development. I focus on clean code, secure solutions, clear communication, and on-time delivery.
My Portfolio
Other Software Development Services I Offer
FAQ
What are HL7 and FHIR?
HL7 and FHIR are standards that help healthcare systems exchange patient and clinical information in a consistent format.
Can you connect my existing EHR or medical software?
Yes. I can review your existing system and connect it with another healthcare platform, API, laboratory or patient application.
Can you fix an existing healthcare software issue?
Yes. I can investigate and fix problems involving patient records, care plans, reports, permissions, APIs, databases and system performance.
Can you build a complete healthcare platform?
Yes, but a complete platform requires discovery and several development stages. The listed packages cover one defined issue, integration or workflow.
Will patient data remain confidential?
Yes. Please provide anonymized test data whenever possible. Do not send real patient records, production passwords or protected health information.
Which technologies do you use?
My primary stack includes ASP.NET Core, C#, SQL Server, REST APIs, HL7, FHIR, OAuth 2.0, React or Angular, and cloud services.
Which FHIR resources can you work with?
I can work with resources such as Patient, Practitioner, Encounter, Observation, Condition, Medication, Appointment, and DiagnosticReport, depending on your project.
