1 developpeur JUNIOR FULL STACK

About the Position

We are seeking a Junior Full Stack Developer to join our team in Brussels, Belgium for a 3-month mission, working 5 days a week.

Description de la mission

As part of the CIAO Catena program, we are looking for consultants to strengthen the existing delivery teams involved in the development, integration, and evolution of critical public sector digital services.

The CIAO Catena initiative aims to support the digital transformation of public administrations through the implementation of interoperable, secure, and scalable solutions facilitating collaboration and information exchange between organizations. The program includes the development of new functionalities, the enhancement of existing platforms, and the adoption of modern software engineering practices.

Key activities include:

• Development and maintenance of business-critical applications and shared services.
• Integration with internal and external systems through APIs and service-oriented architectures.
• Modernization, optimization, and continuous improvement of existing applications and technical platforms.
• Contribution to the implementation of secure and resilient digital services supporting public sector organizations.

Responsibilities

• Development and maintenance of business applications and shared digital services.
• Development of application components, APIs, and web services.
• Contribute to the design of application architecture and technical building blocks in collaboration with technical leads and solution architects.
• Participate in technical workshops, Agile/Scrum ceremonies, and stakeholder meetings.
• Support testing activities, technical documentation, deployments, quality assurance, monitoring, reporting, and continuous improvement initiatives.
• Collaborate with multidisciplinary teams to ensure alignment with business and technical requirements.
• Ensure adherence to security, performance, interoperability, and quality standards.

Requirements

• Minimum 3 years of professional experience in Java software development.
• Experience working in complex multi-system environments and large-scale digital transformation projects.
• Experience in public sector environments is considered an asset.
• Proven experience in Agile delivery environments.

Skills

• Languages: French (Native), English (Working proficiency)
• Technical Skills:
  • SQL, REST, Docker, Angular 17, Weblogic, JMS, Agile / Scrum, Springboot 2.x + springboot3, Spring, JPA, Java 11 + 17, test metghodologiën, Oracle

Nice to Have

• Experience with Java >= 21 and Spring Framework (Core, JDBC, Data, Security, AOP)
• JPA / Hibernate
• RESTful Web Services
• OpenAPI / Swagger
• Keycloak, Lombok, MapStruct
• SOA, Backend-for-Frontend, CQRS
• Test-driven development (JUnit, Mockito, Spring Test, Cypress)
• Maven
• Docker
• OpenShift / Kubernetes
• Git and GitLab CI/CD
• SonarQube
• NPM
• OAuth 2.0
• Flyway or Liquibase
• PostgreSQL, SQL Server and relational databases
• BPMN and UML
• Jira and Confluence
• Agile/Scrum methodologies
• Continuous Integration and Continuous Delivery (CI/CD)

Soft Skills

• Strong analytical and problem-solving skills.
• Ability to quickly understand and maintain existing codebases.
• Customer and solution-oriented mindset.
• Team player with strong communication skills.
• Autonomous, proactive, and quality-focused.

We Offer

• Hybrid working environment.
• Regular presence on site may be required depending on project needs and team activities.
• Collaboration with multidisciplinary teams across different public sector organizations.
• Long-term assignment with potential extensions according to project evolution.

About the Company

CIAO Catena program aims to support the digital transformation of public administrations through the implementation of interoperable, secure, and scalable solutions facilitating collaboration and information exchange between organizations.