Senior Full Stack Java Developer

We are looking for a Senior Full Stack Java Developer to support the modernization and evolution of complex enterprise applications within a hybrid and cloud-oriented IT environment.

Responsibilities

• Develop, maintain, and optimize enterprise-grade applications and services
• Analyze technical specifications and propose scalable and efficient solutions
• Contribute to both development and technical analysis activities within Agile teams
• Support the modernization of legacy systems and integration with modern architectures
• Design and implement API-driven and event-driven solutions
• Ensure application performance, scalability, security, and high availability
• Collaborate with architects and technical teams on integration patterns, data models, and technical standards
• Troubleshoot and resolve complex technical issues in interconnected environments
• Promote best practices in software engineering, testing, and code quality

Required Skills

• 5+ years of experience in Full Stack Java development
• Strong expertise in Java, Spring, and Spring Boot
• Experience with microservices, REST APIs, GraphQL, and event-driven architectures
• Knowledge of OpenShift, Docker, and containerized environments
• Experience with Angular or ReactJS
• Strong understanding of Hibernate, JPA, Maven, Git, and JUnit
• Experience with relational databases such as MySQL and data modeling
• Familiarity with Swagger/OpenAPI, SonarQube, SOAP, and CI/CD practices
• Understanding of resilient architectures and security standards such as NIS2
• Experience with Agile/Scrum methodologies and Atlassian tools

Soft Skills

• Strong analytical and problem-solving skills
• Ability to communicate technical concepts clearly
• Proactive, autonomous, and quality-oriented mindset
• Capable of bridging business and technical requirements

Languages

• French, Dutch, and English (professional working proficiency)

Additional Information

• Hybrid work model
• Initial on-site onboarding period of two weeks
• Contract until end of the year with possible extension
• Location: Brussels, Belgium