Full Stack Developer

Posted 20 November 2025
Salary Competitive
LocationBrussells
Job type Contract
Discipline Software Engineering
Reference75521
Remote working Remote

Job description

Title: Full Stack Developer – Java
Location: Near-Site, Brussels, Belgium (maximum of 5 days onsite per month)
Day Rate: €430 per day
Project Duration: 1100 days
We are looking for a Full Stack Developer that will contribute to the full lifecycle of technical solutions and be responsible for:
  • Designing, developing, and integrating technological components
  • Implementing user and business requirements
  • Prototyping and producing proofs of concept
  • Creating and executing test programs and test automation
  • Ensuring integration with existing systems
  • Writing structured technical documentation
  • Supporting deployment, configuration, and operational activities
  • Participating in project and technical meetings
  • Contributing to architecture, design discussions, and continuous improvement

Specific Expertise Required
  • In-depth knowledge and hands-on experience with Spring Framework:
    Spring Core, Spring MVC, Spring Security, JPA/Hibernate
  • Strong experience with CI/CD and DevOps practices
    (GIT/Bitbucket, Maven, Gradle, Bamboo/Jenkins)
  • Strong experience with Spring Boot Test, JUnit, Mockito
  • Experience with Angular and NPM
  • Experience with Oracle 8+ or MySQL 5+
  • Experience using Hibernate/JPA
  • Knowledge of REST, SOAP, and Spring Web Services
  • Experience with the Atlassian suite (JIRA, Confluence, Bitbucket, Bamboo)
  • Familiarity with modern security standards: JWT, JWE, JWKS, OIDC, CAS
  • Knowledge of encryption and signing techniques
  • Knowledge of API gateways (WSO2, Spring Cloud Gateway, Eureka/Zuul)
  • Knowledge of DevSecOps practices
  • Experience with Kubernetes, Docker, AWS (asset)
  • Knowledge of Web Accessibility standards (WCAG 2.0/2.1, WAI-ARIA)
  • Understanding of UX design best practices (responsive/mobile-first)
  • Experience with additional JavaScript frameworks is an asset:
    jQuery, NGRX, React, Knockout.js, etc.