Senior Java Full-Stack Developer
Location: Brussels (hybrid – on-site required)
Contract: Long-term detachment
Duration: ASAP – 31/12/2026 (full-time, ~9 months initial term)
Language: French or Dutch + English (professional level)
Role
Senior Java Full-Stack Developer responsible for end-to-end delivery of enterprise applications (design, development, testing, deployment).
Key Responsibilities
* Develop & maintain Java-based business applications
* Build REST/SOAP web services and components
* Contribute to architecture (with tech leads/architects)
* Participate in Agile/Scrum ceremonies & workshops
* Support testing, documentation, and deployment
* Collaborate with analysts and business users
Must Have Skills
* 5–7+ years Java development experience
* Java, Spring Framework (Boot, Security)
* JPA / Hibernate
* REST & SOAP APIs
* Microservices / SOA
* JUnit, Mockito, CI/CD experience
* HTML/CSS/JavaScript + Angular (or strong frontend affinity)
* Maven, Git/SVN, Jenkins
* Docker, OpenShift (or similar)
* SQL (PostgreSQL / SQL Server)
* Agile/Scrum environment
* UML / BPMN reading ability
Nice to Have
* Kafka / event-driven architecture
* Oracle DB
* Talend, ZK
* BPM tools
Soft Skills
* Strong problem solver, quick understanding of legacy systems
* Team player in large enterprise setup
* Able to mentor junior developers
* Strong communication & documentation skills
Working Setup
* Hybrid (Brussels, on-site required)
* 3 days remote possible
* Full-time Agile team environment