We are supporting a consultancy delivering large-scale digital and application modernisation programmes within a highly regulated public sector environment in Brussels. For a long-term engagement, we are looking for a Medior Java Full-Stack Developer to join a client team focused on evolving critical platforms and ways of working.
This role combines hands-on development with the opportunity to influence how solutions are designed and delivered – challenging legacy approaches and helping teams adopt more modern engineering practices.
Logistics
- Role: Freelance Medior Java Full-Stack Developer
- Contract: Long-term (12+ months)
- Location: Belgium (Hybrid)
- Languages: English + French or Dutch
- Start Date: ASAP / Flexible
- Rate: Strongly competitive
Responsibilities
- Design and develop applications using Java and Spring Boot
- Work across the full stack, including Angular-based frontends
- Contribute to new builds and the evolution of existing systems
- Challenge existing technical approaches and suggest improvements
- Support and guide a small team of developers
- Collaborate with stakeholders to deliver practical, scalable solutions
- Ensure quality through testing, CI/CD, and best practices
Required Skills
- Strong experience with Java (Spring Boot) in a medior/senior capacity
- Full-stack experience including Angular
- Experience with microservices and REST APIs
- Working knowledge of Kubernetes environments
- Familiarity with CI/CD and DevOps practices
- Strong communication skills and ability to influence decisions
- Experience in structured environments (public sector preferred)
Nice to Have
- Experience within regulated or enterprise environments
- Exposure to private cloud environments
- Experience with testing frameworks
- Previous mentoring or leadership experience
If you’re a medior Java developer looking for a long-term engagement where you can influence both technical direction and team practices, we’d be happy to discuss further.