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
Location: Belgium (hybrid)

Contract type: Full-time


Java Consultant

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