Java Developer

We are looking for a Java Developer Engineer (8 years) to join a squad delivering high-quality, scalable, and maintainable solutions for internal and external clients. The role follows a 50% on-site (Brussels) and 50% homeworking model. The start date is as soon as possible. Key responsibilities Design, develop, and maintain high-performance, scalable, and reliable Java applications using Spring Boot and related technologies. Lead the setup of future applications and focus development on customer value and code quality. Collaborate with the team to identify and resolve technical challenges. Analyze and refine requirements to deliver new functionalities in a user-friendly and efficient manner. Champion code quality, organization, and automation in line with best practices and industry standards. Work on greenfield projects and hexagonal architecture. Apply TDD/BDD and pair programming practices.
Must-Have Requirements Strong Java development expertise, with a focus on clean code, ways of working, and refactoring monolithic applications. Strong understanding of Java, object-oriented programming, and software design patterns. Experience with Spring Boot. Experience with Maven. Experience with relational databases, including Oracle. Experience with messaging systems, including Kafka, and service buses. Familiarity with RESTful APIs. Experience with testing frameworks and CI/CD pipelines. Experience with Domain-Driven Design and/or hexagonal architecture. Experience with Test-Driven Development. Familiarity with Git, GitLab, Jenkins, SonarQube, Fortify, and Nexus. Knowledge of agile methodology. Proven experience in leading technical projects, setting technical direction, and collaborating with cross-functional teams. English proficiency. Active knowledge of Dutch or French, and passive knowledge of the other language.
Interested? Apply directly.