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Apollo Solutions

Java Consultant

Apollo Solutions
Belgium · Contract · Mid-Senior

We are seeking an experienced Senior Java Developer to support a major digital transformation initiative within one of Belgium’s most prominent banking institutions.


Logistics:

  • Position: Freelance Senior Java Developer
  • Duration: 12-month rolling contract (extensions expected)
  • Location: Brussels (Hybrid - 2 days on-site per week)
  • Start Date: Mid-November
  • Day Rate: €(Competitive & Negotiable)
  • Languages: English (Dutch or French is a plus)


Key Responsibilities:

  • Design, develop, and maintain robust backend services using Java (Spring Framework)
  • Translate functional requirements into clean, high-quality, maintainable code
  • Build and secure RESTful APIs and integrate with third-party systems
  • Evolve and migrate legacy systems into modern Java-based platforms
  • Collaborate closely with analysts, testers, and fellow developers in an Agile squad
  • Drive performance, reliability, and security through unit testing, code reviews, and refactoring
  • Participate in CI/CD pipelines and help shape DevOps best practices
  • Contribute to a culture of clean code, pair programming, and continuous improvement


Ideal Candidate:

  • 4+ years of professional experience in Java backend development
  • Strong grasp of Object-Oriented Programming, SOLID principles, and domain-driven design
  • Experience with Spring, Maven, Oracle DB, and REST APIs
  • Familiarity with tools like Git, Jenkins, SonarQube, Fortify, and NexusIQ
  • Proactive communicator who enjoys collaborative problem-solving in Agile teams
  • Committed to writing readable, testable, and maintainable code (TDD experience is a plus)
  • Experience with code reviews, pair programming, and Scrum methodologies
  • Strong sense of ownership and eagerness to contribute to team success


Desirable:

  • Experience with modern CI/CD and DevSecOps pipelines
  • Background in regulated sectors such as banking, insurance, or telecom
  • Knowledge of containerization, cloud deployments, or large-scale integrations
  • Exposure to event-driven systems, although not mandatory


Interested in shaping the future of digital banking infrastructure? Apply now - early conversations are underway for a November 2025 start.

Key Skills

Ranked by relevance

java devops cicd tdd
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Posted
Oct 16, 2025
Type
Contract
Level
Mid-Senior
Location
Brussels

Industries

Banking Financial Services

Categories

Information Technology

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