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Shamil N.

Shamil N.

HL7/FHIR Integration Expert | Fixing Complex Healthcare Integrations

I help healthcare organizations design, fix, and deliver real-world interoperability solutions - not just theoretical HL7/FHIR/IHE implementations. With 15+ years of hands-on experience, I've built and deployed integrations across HL7v2, HL7v3, C-CDA, FHIR, and IHE for more than 50 organizations worldwide. I work directly at the message level - transformations, mappings, validation, conformance, and troubleshooting - using tools like Mirth Connect, Apache NiFi, and Smile CDR. Many clients come to me when: • integrations don't work as expected • FHIR implementations become too complex • HL7 mappings break across systems • conformance and validation issues block go-live I don't just advise - I build, debug, and deliver working solutions. What makes me different • Author of HL7 v2/v3 specifications and profiles • Contributor to early HL7 FHIR (STU3) • Primary author for Canadian Core/Baseline FHIR profiles • published books and multiple training courses on HL7/FHIR • All HL7 certifications + IHE + SNOMED CT training up to Authoring Level 1 I work at the intersection of specification and implementation - where standards meet real systems. What I can help you with: • HL7v2 / HL7v3 interface development and troubleshooting • FHIR API design, profiling, and implementation • HL7v2 ↔ FHIR transformations (ADT, ORU, OML, etc.) • FHIR ↔ OMOP transformations • C-CDA parsing, generation, validation and C-CDA ↔ FHIR transformation • Integration engine development (Mirth Connect, Apache NiFi) • Conformance testing and validation (HL7v2/v3, FHIR, C-CDA) • Fixing broken integrations and production issues • Implementation Guides (IG), FSH, SUSHI • IHE / HIE integrations (XDS, XCA, XCPD, etc.) Technical stack: • FHIR (R4, STU3), HL7 v2/v3, C-CDA, IHE • Mirth Connect, Apache NiFi, Smile CDR, Aidbox • Java, JavaScript, Python, React, SQL, XML, XSLT, Schematron • Touchstone, Simplifier, Forge, IG Publisher AI & Automation (Applied to Healthcare Interoperability) • Multi-agent AI workflows for healthcare data transformation and validation • LLM-assisted HL7/FHIR mapping and interface documentation • AI-driven data quality analysis and anomaly detection in healthcare messages • Automation of conformance testing and validation workflows using LLM-based agents • Use of AI tools to accelerate implementation guide development and integration debugging Certifications • HL7 FHIR Advanced Developer • HL7 FHIR Foundational Implementer • HL7 FHIR R4 Proficiency • HL7 v2 Control Specialist • HL7 CDA Specialist • HL7 v3 RIM Specialist • IHE Certified Professional • SNOMED CT Terminology Services Let's work! If you need someone who understands both the standard and the implementation, I can help you move faster and avoid costly mistakes.

🇨🇦Victoria, Canada$85/hr100% JSS5.00 (59)Since Apr 2012

Earnings and projects

MRR
$55

Last 6 months ÷ 6

World#148,731 / 412k
🇨🇦Country#2,169 / 7,133
Revenue, last 30 days
$372

Last 6 months: $332

World#70,056 / 412k
🇨🇦Country#978 / 7,133
Total earnings
$249k

Billed in all: $260k

World#10,737 / 412k
🇨🇦Country#278 / 7,133
Per project
$3.1k

$332 in the last 6 months

World#54,473 / 412k
🇨🇦Country#945 / 7,133
Projects, last 6 months
1
0% fixed100% hourly
World#128,092 / 412k
🇨🇦Country#1,897 / 7,133
Projects in all
81

Across 98 contracts

32% fixed68% hourly
World#36,183 / 412k
🇨🇦Country#685 / 7,133

Earnings, last 30 days

$260k+$372 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$259.6k$259.8k$260.0k$260.2kOct 8Oct 23Nov 7

Skill rankings: #1 in 1 skill of 14

Rarest: top 22% in Apache NiFi, of 54. Ranked by MRR among everyone on Upwork with the skill.

  1. 1ECMAScript for XML1 freelancers · 🇨🇦 #1Top 100%
  2. #12Apache NiFi54 freelancers · 🇨🇦 #1Top 22%
  3. #17XSLT60 freelancers · 🇨🇦 #1Top 28%
  4. #21Mirth Connect50 freelancers · 🇨🇦 #1Top 42%
  5. #46Electronic Data Interchange101 freelancers · 🇨🇦 #1Top 46%
  6. #54Health Level 7114 freelancers · 🇨🇦 #2Top 47%
  7. #96FHIR182 freelancers · 🇨🇦 #1Top 53%
  8. #175XML717 freelancers · 🇨🇦 #4Top 24%