Java Consultant

Java Consultant — Brussels

A leading professional services firm is looking for a Java Technical Analyst to combine hands-on development with technical leadership on a legacy modernisation programme.

What you'll do:

• Lead Java modernisation initiatives, including JBoss/WildFly upgrades, Spring Boot migrations (Spring 5→6, javax→jakarta), and RichFaces to PrimeFaces transitions
  


• Architect scalable, secure Java solutions and define technical standards for the delivery team
  


• Manage and mentor nearshore/offshore Java developers; conduct code reviews and establish quality gates
  


• Oversee CI/CD pipeline integration and coordinate integration of code produced by delivery centres
  


• Note: this is legacy migration work, not greenfield development
  

What you'll bring:

• 4+ years of professional Java development experience
  


• Proven experience managing distributed (nearshore/offshore) development teams
  


• Strong command of Spring ecosystem, JPA/Hibernate, and JBoss/WildFly
  


• Hands-on experience with javax→jakarta namespace migrations and OpenRewrite or similar tooling
  


• Experience in the banking sector is an asset
  


• Fluent in Dutch and English (French is a plus); ability to read code commented in NL/FR
  


• BSc/MSc in Computer Science or equivalent