Join a cutting-edge team focused on transforming a crucial application landscape, where your skills will directly contribute to operational excellence in the defense sector. We are seeking a dedicated and skilled professional who is ready to embrace complex challenges and deliver innovative solutions.
You will join an internal software delivery team responsible for maintaining, modernising, and extending a portfolio of business-critical applications. Your work includes taking over existing applications, re-engineering or rewriting them to align with current development standards, and delivering new features.
You operate in a complex, multi-application environment and contribute to both backend and frontend development.
Your responsibilities include
Taking over existing applications, including documentation review, maintenance, and functional understanding.
Developing and maintaining business applications using modern Java and Angular stacks.
Re-engineering or fully rewriting applications to align with current architectural and development standards.
Designing and developing application components and RESTful web services.
Contributing to architectural building blocks in collaboration with technical leads and architects.
Participating in Scrum ceremonies, technical working groups, and user meetings when required.
Supporting testing activities, including unit and integration testing.
Contributing to technical documentation, deployment, evaluation, and reporting.
Working in a CI/CD-oriented environment with a strong focus on code quality.
Supporting junior developers and integrating smoothly into existing teams.
What are we looking for?
You have 5–7 years of full-time professional experience as a Java developer .
You have strong backend experience and a good working affinity with frontend development .
You have hands‑on experience with Java 21 or higher and the Spring Framework ( Spring Core, JDBC, Data, Security, AOP ).
You have experience with JPA (Hibernate) .
You have experience building RESTful web services .
You are familiar with OpenAPI and Swagger .
You have experience with Keycloak, Lombok, and MapStruct .
You understand and have applied SOA, Backend-for-Frontend, and CQRS patterns.
You apply test‑driven development, including JUnit, Spring Test, Mockito, and Cypress .
You have hands‑on experience with Angular (version 20) .
You have experience with Maven, Docker, Kubernetes / OpenShift, Git, and GitLab CI .
You have experience with NPM .
You have experience with OAuth 2.0 .
You have experience with Flyway or Liquibase .
You have experience with relational databases, including PostgreSQL and SQL Server.
You are able to read and understand BPMN and UML .
You have experience working with Jira and Confluence .
You are familiar with Agile / Scrum, CI/CD, and software engineering best practices.
You are fluent in Dutch or French, and fluent in English .
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