Etienne Poirier
Senior Java Developer at Smile CDR Inc.
Quebec, Quebec, Canada
Summary
🤩
Rockstar🎓
Top SchoolEtienne Poirier is a Senior Java Developer based in Quebec with over a decade of software engineering experience and four years focused on enterprise Java back-end and cloud services. He specializes in healthcare integration (HL7 v2/v3 and FHIR), Spring Boot microservices, and AWS migrations, often architecting reusable, fault-tolerant components for mission-critical systems. As a hands-on tech lead he has driven cloud migrations, designed secure HL7/FHIR endpoints, and improved deployment and disaster recovery practices while mentoring teams. Etienne contributes to the widely used HAPI FHIR project, fixing ValueSet expansion bugs and hardening query and patch behaviors—demonstrating both domain expertise and open-source collaboration. His background spans embedded and networking systems for defense and telecom, which gives him a distinctive systems-level perspective when solving integration and reliability challenges. He combines pragmatic use of open-source tools with pattern-driven design to deliver maintainable solutions under tight operational constraints.
4 years of coding experience
19 years of employment as a software developer
B.Sc, Business and administration, B.Sc, Business and administration at Université du Québec en Outaouais
french - english
Github Skills (10)
javas10
smart-on-fhir10
hapi-fhir10
hl7-fhir10
api10
apidoc10
java10
testing9
refactoring8
refactor8
Programming languages (1)
Github contributions (1)
hapifhir/hapi-fhir
Mar 2022 - Dec 2022
🔥 HAPI FHIR - Java API for HL7 FHIR Clients and Servers
Role in this project:
Back-end Developer
Back-end DeveloperContributions:271 reviews, 13 commits, 126 PRs in 8 months
Contributions summary:Etienne primarily focused on bug fixes and enhancements related to ValueSet expansion, specifically addressing issues with canonical URLs and code system versions. They implemented capabilities to extract and parse URLs and versions from ValueSet include statements. The user also contributed to the encapsulation of synchronous query execution capabilities within a new service. They fixed a patch operation issue returning a 500 error and corrected an issue involving searching with the _source parameter.
hl7-fhirapihapihl7apps
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