Back to all jobs
Visible on IKONS todayNewPopular

Full stack developer

BrusselsHybrid40 hours/week<3months

An organization is looking for an experienced full-stack developer to contribute to a strategic modernization initiative focused on moving data and services away from legacy mainframe dependencies toward a more open and scalable architecture. The assignment offers the opportunity to work in an agile environment and help shape solutions that support data access, integration, analytics, and AI-enabled use cases.

What you do

You will take part in the development and evolution of applications, APIs, and web services within the framework of the modernization program. Your work will combine technical analysis, design, and implementation, with a strong focus on interoperability, security, and performance.

  • Develop and enhance applications, APIs, and web services supporting the migration of data to a modern open architecture.
  • Design and build data exchange services and REST APIs to connect multiple applications.
  • Contribute to the adaptation and enrichment of strategic solutions used for data access and operational support.
  • Participate in the introduction of features related to data analysis, artificial intelligence, and intelligence-led operations.
  • Support technical architecture decisions and collaborate closely with development colleagues to deliver robust and secure solutions.

What they ask The role requires strong hands-on experience with the following technologies and practices:

  • API and REST web services
  • Software architecture
  • Authentication and authorization mechanisms such as OAuth 2.0, OpenID Connect, and JWT-based tokens
  • Containerization
  • Design principles and design patterns
  • JavaScript development
  • PHP development
  • DevOps practices, MLOps
  • Application security and Security by Design
  • SQL, NoSQL
  • Automated testing

Profile

We are seeking a confirmed full-stack developer who combines technical depth with a practical, solution-oriented mindset. The ideal candidate is comfortable working independently while remaining a strong team player in a multidisciplinary environment.

  • Rigorous and detail-oriented
  • Strong problem-solving skills
  • Autonomous and proactive
  • Self-learning and curious about new technologies
  • Committed to quality in software delivery

Practical

  • Languages: French or Dutch, with passive understanding of the second national language required; English with active knowledge

How to apply

View the full assignment text and application details once your tailored application is ready.

Order a tailored application to view the full assignment and application details.

More context, less searching.

You get enough context to judge whether this job is relevant. The full brief, client details and next steps stay available inside the app.