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Full-stack Developer specializing in Java and Angular

Project Duration: ASAP – 31/12/2026, with an option for extension.

Location: Brussel

Language Proficiency: Fluent in Dutch and/or French, plus advanced written English.

Deadline for Applications: 17/07/2026

Description:

As part of a program to take over a segment of the application landscape, we are looking for consultants to strengthen internal teams. The program involves the complete takeover of operational management for approximately thirty business applications, which are diverse in both business and technological aspects. The takeover activities include:

• Handover/Takeover (documentation, application maintenance, development of new features, etc.)
• Re-engineering and/or complete rewriting of applications to align with current development standards.

Responsibilities:

• Development and maintenance of business applications.
• Development of application components/web services.
• Contribute to the design of architecture components and building blocks, collaborating closely with technical leads or senior software architects.
• Participation in technical working groups, Scrum meetings, and meetings with users as needed.
• Assist in testing, technical documentation, deployment, evaluation, and reporting (Unit, JIRA).

Experience:

• Minimum 7 years of full-time professional Java Development experience required (Full-stack preferred - backend with a passion for frontend).
• Familiarity with multi-system integration and complex environments.

Competencies:

• Technical knowledge and practical experience with required technologies to start development and support directly:
  • 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 databases and O/R mapping: PostgreSQL, SQL Server.
• Ability to read and understand BPMN, UML, and documentation practices.
• Familiarity 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