
Hire FHIR Developers
FHIR engineers who build R4 APIs, US Core profiles, SMART on FHIR apps and HL7 v2 mappings, added to your team or working as a dedicated team.
- FHIR R4
- US Core
- SMART on FHIR
- HL7 v2
- LOINC and SNOMED CT
- OAuth 2.0
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How do you hire FHIR developers through Agnotic?
To hire FHIR developers through Agnotic Technologies, you tell us the integration you need and we add engineers who build FHIR R4 APIs, US Core profiles, SMART on FHIR apps and HL7 v2 to FHIR mappings. They join your team or work as a dedicated team, with HIPAA-ready engineering from the first sprint.
Which engagement model fits your FHIR work?
The right model depends on who owns the roadmap and how defined the scope is.
| Engagement | Fits when | Who owns delivery |
|---|---|---|
| Staff augmentation | Your team owns the roadmap and needs FHIR depth for an integration or a FHIR server. | Your tech lead. Our engineers work in your sprints and your code review. |
| Dedicated team | You want one team to deliver an integration end to end, with QA and a tech lead. | Agnotic, with weekly demos to your product owner. |
| FHIR project | The scope is defined: an EHR app, a FHIR API or an HL7 v2 to FHIR migration. | Agnotic, against a fixed first release agreed on the scoping call. |
| Fractional technical lead | You need FHIR architecture decisions made before you staff the build. | You, with a fractional CTO guiding the decisions. |
Capabilities of Our FHIR Developers
A FHIR developer turns health data into APIs other systems can trust. These are the skills we check before an engineer joins your project.
FHIR R4 resources and REST APIs
They model data as Patient, Encounter, Observation, MedicationRequest and other R4 resources, and build the read, search, create and update interactions, paging and error handling a FHIR server or client needs.
US Core profiles
They build and validate resources against the US Core implementation guide, which profiles FHIR for the USCDI data classes used in the United States, and handle must-support elements and missing data correctly.
SMART on FHIR authorization
They implement SMART App Launch with OAuth 2.0 and OpenID Connect: EHR and standalone launch, scopes, PKCE and backend services, so apps get only the access they were granted.
HL7 v2 to FHIR mapping
They map ADT, ORU and other HL7 v2 messages to FHIR resources in an interface engine or service, keeping identifiers, timestamps and message order intact.
Terminology
They bind codes from LOINC, SNOMED CT, RxNorm and ICD-10-CM to the right elements, use value sets, and translate local codes so data lands correctly coded.
Testing and validation
They validate resources against profiles, write contract tests for every search the product relies on, and test against vendor sandboxes with synthetic patients only.
What should a FHIR developer be able to show you?
Ask for evidence, not a list of acronyms. These are the checks we run before an engineer joins your project.
- A FHIR R4 resource model they designed, and why they chose each resource and extension.
- The search requests their code relies on, with paging handled and a contract test for each one.
- Validation against a US Core profile, including how they treat must-support elements and missing data.
- A SMART App Launch flow: the launch context, the scopes requested and how tokens are stored and refreshed.
- An HL7 v2 to FHIR mapping that keeps identifiers, timestamps and message order intact.
- Code bindings to LOINC, SNOMED CT or RxNorm, and how local codes were translated.
- Testing against a vendor sandbox with synthetic patients, never production PHI.
- Audit logging that records access to patient data without writing PHI into the logs.
Flexible FHIR Hiring Options
Flexible hiring structures designed to fit your timeline, budget, and team dynamics.
Senior FHIR developers
Engineers who design FHIR resource models, build the APIs and lead integration decisions inside your team.
- Production FHIR R4 work you can review
- Code review and mapping design
- Architecture decisions for FHIR servers and clients
Dedicated FHIR teams
Developers, QA and a tech lead who own a FHIR integration from scope to release.
- Team size set by the scope
- Sprint-based delivery with weekly demos
- Scales up or down as the roadmap changes
How to Hire FHIR Developers
Four steps from the first call to engineers shipping FHIR work in your codebase.
Share your requirements
Tell us the EHRs, FHIR version, data and deadlines on a 15-minute scoping call.
Review proposed engineers
We propose engineers whose shipped FHIR work matches your scope.
Interview and select
You run technical interviews with the engineers we propose. We set them up.
Onboard and build
Engineers join your tools and sprints, follow your access policies and start on the first release.
Which standards do FHIR developers work to?
Short facts behind the skills we check, each linked to its primary source.
HL7 FHIR is a standard published by HL7 International for exchanging health data through RESTful APIs built on defined resources such as Patient, Observation and MedicationRequest.
Source: HL7 International (hl7.org/fhir)US Core is the HL7 FHIR implementation guide that profiles FHIR resources for the USCDI data classes used in the United States.
Source: HL7 International (US Core)The SMART App Launch implementation guide uses OAuth 2.0 and OpenID Connect so that apps can launch from an EHR with the user's and patient's context and only the access scopes they were granted.
Source: HL7 International (SMART App Launch)A HIPAA covered entity may share protected health information with a business associate, such as a software vendor, only under a business associate agreement that commits the vendor to safeguard it.
Source: 45 CFR 164.502(e) and 164.504(e) (eCFR)
Which compliance standards apply to FHIR development work?
HIPAA
Health Insurance Portability and Accountability Act
Protect PHI with privacy-first architecture, encrypted storage and transmission, strict access controls, and traceable audit logs.
GDPR
General Data Protection Regulation
Implement lawful consent flows, data minimization, retention controls, and secure processing for sensitive health data.
FHIR
Fast Healthcare Interoperability Resources
Enable standardized health data exchange across apps, care teams, and systems through standards-based FHIR APIs.
HL7
Health Level Seven International
Support enterprise-grade interoperability with HL7-based integrations for records, events, and clinical messaging workflows.
HITRUST
Health Information Trust Alliance
Align security programs to healthcare-specific control and risk management practices trusted by providers and ecosystem partners.
HITECH
Health Information Technology for Economic and Clinical Health Act
Design with breach notification readiness, digital record safeguards, and operational controls that support regulated care programs.
SaMD
FDA Software as a Medical Device
Plan software quality, traceability, and documentation pathways for products that may require SaMD review and submission.
MDR (EU)
Medical Device Regulation (European Union)
Prepare EU market-ready processes for risk classification, evidence tracking, and lifecycle governance under MDR expectations.
SAMHSA
Substance Abuse and Mental Health Services Administration
Apply confidentiality controls and consent-aware sharing models for behavioral and mental health data experiences.