Join an impactful freelance mission at one of Belgium’s top-tier banks!

We're looking for an experienced Backend Java Developer to help shape and build risk management solutions within a leading banking partner's modular, modern architecture.

Logistics:

• Position: Freelance Backend Java Developer
• Duration: 12-Month Contract
• Location: Brussels (Hybrid – 2 days/week on-site)
• Languages: English (French and/or Dutch is a plus)
• Start Date: ASAP
• Day Rate: €(Negotiable & Competitive)

Core Responsibilities:

• Design and develop performant and scalable backend solutions in Java using Spring Boot
• Contribute to greenfield-style development projects in a modular, service-oriented environment
• Translate business needs into technical design in close collaboration with product and risk teams
• Apply clean coding principles, test-driven development, and pair programming practices
• Maintain and evolve backend architecture following DDD and hexagonal patterns
• Support CI/CD delivery pipelines and containerised deployments
• Participate actively in code reviews, squad rituals, and design discussions

Essential Skills:

• 6+ years of hands-on backend Java development
• Expert knowledge of Spring Boot
• Familiarity with Kafka for event-driven architecture
• Solid understanding of container orchestration (Kubernetes)
• Proficient in RESTful APIs and relational databases (Oracle)
• Experience with TDD, pair programming, and modern SDLC practices
• Knowledge of tools like Git, GitLab, Jenkins, SonarQube, Nexus, Fortify
• Strong communication skills and ability to deliver autonomously within agile squads

Desirable Skills:

• Experience in financial services or risk-related domains
• Understanding of domain-driven design and monolith-to-modular transitions
• Background in CI/CD, DevSecOps, and security-first coding
• Exposure to greenfield software architecture or legacy refactoring projects
• Prior engagement with Spotify-model squad structures

What You Bring:

• A pragmatic mindset and passion for clean, maintainable code
• Autonomy and ownership over your work
• Strong collaboration and cross-functional communication skills
• Enthusiasm for working in a modern, forward-thinking Java engineering environment

Interested?

Reach out today to secure an interview, and be part of a technically exciting and business-critical initiative in the heart of Brussels.