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# Medior Senior Java Developer

- **Company:** Keystone Solutions
- **Location:** Brussel, Belgium
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Agile Methodology, JIRA, Databases, Linux, WildFly (JBoss AS), OpenShift, Fast Healthcare Interoperability Resources, Kubernetes, Docker, Jenkins
- **Published:** November 12, 2026
- **Apply:** https://www.adzuna.be/details/5961442846

## About the Role

* 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., * 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

## Description

* 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.