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: 24-Month Contract
* Location: Brussels (Hybrid – 2 days/week on-site)
* Languages: English (French and/or Dutch is a plus)
* Start Date: 10 July 2025
* 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.