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Medior Senior Java Developer

Java developer consulting on a Vitalink FHIR project at a client site

  • Bruxelles, Belgium
  • Full-time
  • Posted Nov 12, 2026
INDUSTRYSoftware & InternetSaaS & Enterprise Software

Responsibilities

  • Configuration of existing HAPI features to suit functional requirements.
  • Development of feature extensions to HAPI in Java.
  • Deployment of components in an OpenShift environment.
  • Ensuring the solution built meets requirements (functional and non-functional).
  • Isolation of Vesta in a separate OpenShift environment and implementation of additional security measures around it.
  • JBOSS 7 to 8 upgrade of VO.

Requirements

Nice to have: HAPI FHIR knowledge

Skills

Full description

Mission Overview: Keystone Solutions is seeking a Medior/Senior Java Developer to join a consultancy mission at a client site, working on the Vitalink FHIR project. This project involves the evolution of the Vitalink health information vault from a KMEHR to a FHIR environment, utilizing the open-source HAPI FHIR framework. Responsibilities: Configuration of existing HAPI features to suit functional requirements. Development of feature extensions to HAPI in Java. Deployment of components in an OpenShift environment. Ensuring the solution built meets requirements (functional and non-functional). Isolation of Vesta in a separate OpenShift environment and implementation of additional security measures around it. JBOSS 7 to 8 upgrade of VO. Candidate Requirements: Java: senior level. OpenShift/Kubernetes: medior level. Linux: senior level. (HAPI) FHIR knowledge is a strong bonus. Able to function independently, but in line with team objectives. Self-starter. Good communication skills in English and Dutch/French. Goal-oriented, with the aim of delivering value to the customer. As a consultant at Keystone Solutions, you will experience dynamic projects that offer a variety of challenges across different client environments. This role provides turbo-charged learning opportunities and supports your skyrocketing ambition for career growth. Being a If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal. Duration: As soon as possible - 31/12/2027 14 months • (full time) Skills required: Agile - Level: Confirmed - Most recent: Any time Database - Level: Expert - Most recent: Any time Docker - Level: Confirmed - Most recent: Any time Java - Level: Expert - Most recent: Any time JBoss - Level: Confirmed - Most recent: Any time Jenkins - Level: Junior - Most recent: Any time JIRA - Level: Confirmed - Most recent: Any time Kubernetes - Level: Confirmed - Most recent: Any time Linux - Level: Expert - Most recent: Any time Maven - Level: Junior - Most recent: Any time Openshift - Level: Junior - Most recent: Any time REST - Level: Confirmed - Most recent: Any time Scrum - Level: Confirmed - Most recent: Any time Spring Boot - Level: Junior - Most recent: Any time Swagger - Level: Junior - Most recent: Any time Language requirements: Dutch Level Native English Level Active knowledge French Level Active knowledge

Medior Senior Java Developer at Keystone Solutions, LLC | Referso Jobs