About the Mission

As part of the program to take over a part of the Ministry of Defence’s application landscape, we are looking for consultants to strengthen the internal teams.  The Defence program initially consists of the complete takeover of the operational management of about thirty business applications.  These applications are relatively diverse from a business and technological point of view.  The takeover activities can be broken down as follows:  ·         Handover/Takeover (documentation, application maintenance, development of new features, etc.)  ·         Re-engineering and/or complete rewriting of applications in order to align them with current development standards.    Langues  ·         French or dutch : expert level  ·         English : Advanced level (written)   Responsibilities  ·         Development / Maintenance of business applications  ·         Development of application components/webservices  ·         Contribute in the design of architecture components and building blocks (in close laboration with technical lead or senior software architects)  ·         Participation in technical working groups. Scrum meetings and meetings with the users if needed Assistance in the testing, the technical documentation, the deployment, the evaluation and the reporting (Unit, JIRA)    Experiences  ·         Minimum 7 years of full-time professional Java Development experience is required (Full-stack preferred – backend with passion for frontend)  ·         Familiarity with multi-system integration and complex environments    Competencies:  Technical knowledge and practical experience of required technologies to be able to start development and support directly (below) :  Must have :  Java 17+  Spring 4+ Spring Boot 3+  Frontend (Angular 19+)  REST(ful) Web Services,  Openapi  Test driven development (Junit, Mockito, Cypress)  Maven  Docker  GIT NPM  Experience with relational database and O/R mapping: PostgreSQL, SQL Server…  Able to read and understand BPMN, UML & documentation practices  Familiar with AGILE/SCRUM methodologies, test-driven development and continuous integration  Problem solver, able to quickly understand existing code  Solution and customer oriented  Ability to integrate easily into an existing team.  Nice to have:  Keycloak Hibernate  Lombok  Mapstruct Openshift/Kubernetes  Gitlab CI, Sonar,  Oauth 2.0  Flyway or Liquibase Jira/Confluence Mission & Working hoursWe are based in Brussels (just in front of Midi Station).This will be an initial contract until 30/09/2026 – The mission is long term and can be extended.Possibility of remote work (7h48 per day) with a requirement to be on site for a minimum of 2 days per week.EU nationals only.

Required Skills

Angular, Docker, GIT, Java, JIRA/confluence, Maven, npm, Open API, REST, Software Engineering, Spring, Spring Boot

Practical Information

  • Company: SMALS
  • Location: Brussels – Hybrid
  • Start Date: 27 July 2026
  • End Date: 31 December 2026
  • Duration: 6 months
  • Contract Type: Freelance / Mission
  • Application Deadline: 18 July 2026