Backend Engineer (m/f/d)

Your tasks:

• You develop and extend HIVEconnect, our ETL broker that maps HL7 FHIR R4 resources into openEHR Compositions using the openFHIR mapping engine and persists them in EHRbase.
• You design and implement new additional FHIR resource types (Observation, Procedure, Encounter, Medication, etc.) and its respective ETL.
• You contribute to the HIVEPRO Portal backend (Spring Boot REST API), implementing new endpoints for cohort management, query handling, and researcher project workflows.
• You write test automation (JUnit 5, Mockito, etc.) and contribute to improving quality and the CI/CD test suite (GitHub Actions).
• You participate in code reviews, architectural discussions, and help maintain clean abstractions across a multi-module Java codebase.
• You work with the DevOps team to containerize and deploy your services (Docker, Helm, Kubernetes) and ensure your services are observable: structured logging, metrics endpoints, and appropriate health probes.
• You engage with healthcare data standards (FHIR, openEHR) and collaborate with clinical informatics specialists to ensure correct semantic mappings.
• You help evolve the system's data model: writing schema migrations, reviewing schema changes, and keeping PostgreSQL performance in check.

Your profile:

• You have solid production experience with Java and Spring Boot dependency injection, security, REST APIs, async processing, and testing.
• You understand Enterprise Integration Patterns and are comfortable developing performant ETL processes (or have already used it); you think in terms of message pipelines, not just request/response.
• You have experience with relational databases (PostgreSQL preferred): schema design, JPA/Hibernate, migrations, and query performance.
• Ideally, you have experience with healthcare interoperability standards: HL7 FHIR R4, openEHR, or both. If not, you are eager to learn standards.
• You care about correctness above all, this is clinical data. You write tests as a matter of professional pride, not because a process requires it.
• Ideally, you have worked with container-based deployments (Docker, Kubernetes, Helm) and understand what happens between git push and a running pod.
• You communicate clearly in English; German is a plus but not required.
• You are curious, self-directed, and energized by hard problems, you don't wait to be told what's broken.

 
Interested?

We look forward to receiving your application.

Paula Romero Molina 
Reference no. 48266
 

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Backend Engineer (m/f/d)

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