Senior Full Stack Java Developer
In4Matic Brussels, Brussels Region, Belgium
We’re looking for a Senior Full Stack Developer to join our client’s team as part of a large‑scale business transformation program. This is an exciting opportunity to strengthen an established development organization and contribute to the modernization, refactoring, and creation of business‑critical applications in a complex and evolving IT environment. You will join a growing team of experienced professionals and play a key role in delivering high‑impact digital solutions, with a strong focus on frontend development while remaining hands‑on across the full stack.
Role & Responsibilities
Developing and maintaining Java and Angular applications and services
Designing and implementing application components and web services
Contributing to technical architecture and reusable building blocks in cooperation with technical leads and architects
Supporting testing, deployment, documentation, and reporting activities
Participating in technical working groups and meetings with business users when needed
Coaching and guiding less experienced developers and supporting code reviews
Profile & Technical Skills
At least 10 years of professional experience in Java development
Strong experience with Java, Spring Framework, and JPA (Hibernate)
Experience with security frameworks such as Spring Security
Knowledge of SOAP and REST‑based web services
Experience with microservices, SOA, CQRS, and Spring Batch
Hands‑on experience with Angular, HTML, CSS, and JavaScript
Experience with testing frameworks and tools such as JUnit, Mockito, Cypress, and Selenium
Solid understanding of DevOps tooling such as Maven, Jenkins, Docker, OpenShift, Git/SVN, Sonar, Tomcat, and JBoss
Experience with relational databases and ORM (PostgreSQL, SQL Server, Oracle)
Ability to read and understand BPMN, UML, and technical documentation
Familiarity with Jira and Confluence
Experience working in Agile / Scrum environments and CI/CD pipelines
Seniority Level
Mid‑Senior level
Employment Type
Full‑time
Job Function
Engineering and Information Technology
Industries
IT Services and IT Consulting
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