We are supporting a consultancy delivering large-scale digital and application modernisation programmes within a highly regulated manufacturing environment in Brussels. For a long-term engagement, we are looking for a Senior 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 Senior 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 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 senior 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.