Senior Backend Developer (Kotlin/Spring Boot) - Full Remote Europe

HumanIT Digital Consulting

📍 Groenlo, Gelderland, Netherlands

full time Computer Occupations Posted June 16, 2026

Job Description



ABOUT THE OPPORTUNITY

A technically ambitious project in the healthtech sector is looking for a Senior Backend Developer to help build a custom FHIR server from the ground up. This is a genuinely complex, abstraction-heavy engineering challenge: you won't be building CRUD endpoints — you'll be implementing a dynamic query engine that operates on flexible parameters and FHIR structure definitions at runtime. If you thrive on high-abstraction backend work and want to contribute to healthcare infrastructure that matters, this is a strong opportunity.

Language: English B2 minimum | Level: Senior | Location: Fully remote (Europe-based, ideally Portugal)

PROJECT & CONTEXT

A Dutch healthtech company is replacing its commercial FHIR server with a custom-built implementation to overcome long-term scalability and migration constraints. The foundations are already in place ...