AISB-904 Back-End Developer

Brussels, Belgium

We are seeking a Back-End Developer to contribute to building robust, secure, and scalable back-end systems in a modern and high-impact environment.

Your role

As a Back-End Developer, you will strengthen core applications by:

  • Designing and implementing robust and scalable architectures
  • Developing back-end services using Java & Spring Boot
  • Building and maintaining RESTful APIs and web services
  • Managing and optimizing PostgreSQL databases
  • Leading and executing data migration processes
  • Applying application security best practices (OWASP)
  • Contributing to CI/CD pipelines (Jenkins, GitLab CI)
  • Producing high-quality technical and functional documentation
  • Participating in Agile/Scrum ceremonies
  • Supporting testing and QA processes

Your profile

  • Confirmed experience in Back-End development (Java / Spring Boot)
  • Strong knowledge of software architecture and scalable systems
  • Solid experience with PostgreSQL and data handling
  • Experience with CI/CD and DevSecOps practices
  • Understanding of application security standards (OWASP)
  • Familiar with Agile / Scrum environments
  • Basic experience with testing frameworks (Jest, Mocha, Cypress)
  • Knowledge of Jira & Xray
  • Good understanding of accounting principles (analytical accounting is a plus)
  • Fluent in French (C2 required)

Nice to have

  • Experience in reporting, dashboards, and data visualization
  • Experience working in complex or regulated environments

Why join?

  • Work on impactful and technically challenging projects
  • Contribute to modern, secure, and scalable systems
  • Join a collaborative Agile environment
  • Hybrid working model (minimum 50% onsite in Namur)

 Interested? Apply now and bring your expertise to a meaningful and challenging project.