Oliver James
Senior Java Developer
Oliver JamesBelgium2 days ago
Full-timeRemote FriendlyInformation Technology
Senior Java Developer - Freelance & Employees

Are you a passionate Senior Java Developer ready to dive into complex systems, microservices, and modern architectures?
Join a dynamic international tech team working on cutting-edge digital payment and card solutions - where innovation meets impact.

About the Project

You'll join an agile product team (7 developers) working on a major platform built around a central Java 8 application and a growing ecosystem of microservices.
Your mission: help evolve this core system, build new features, integrate with new group-wide products, and shape the future of the platform.

This is a key technical role where you'll touch both development and infrastructure, collaborating closely with architects, DevOps, and product experts.

Your Responsibilities

  • Design, develop, and maintain robust backend services and APIs.
  • Contribute to both new features and modernization of legacy components.
  • Integrate complex systems across the group's technology landscape.
  • Troubleshoot, resolve incidents, and continuously improve system reliability.
  • Collaborate within a cross-functional Scrum team and share best practices.
  • Be proactive - propose ideas, challenge solutions, and drive innovation.

Your Tech Stack

We're looking for someone comfortable with:

  • Java 8+ and modern Java versions/frameworks (Spring, Spring Boot)
  • Maven, Hibernate, SQL
  • GitLab and Azure DevOps (branching, CI/CD, code reviews)
  • Microservices architecture, ideally with CQRS and AKS (Azure Kubernetes Services)
  • Kotlin experience is a strong plus 🚀

You'll Fit Right In If You…

  • Adapt quickly and love solving complex technical puzzles
  • Communicate clearly and collaborate across teams
  • Thrive in fast-moving environments with evolving priorities
  • Are proactive, curious, and eager to make an impact
  • Enjoy being a driver of change, not just an executor

Practical Info

  • Location: Brussels (near a Station)
  • Remote: 2 days onsite per week (flexible)
  • Start Date: ASAP
  • Contract: Freelance or Temp-to-Perm
  • Language: French (team), English (mandatory)
  • Duration: Renewable yearly
  • Interview Process:
    • 1 Interview + short technical assessment
    • Fast feedback & decision

Why Join?

✅ Cutting-edge Java + microservices environment
✅ Collaborative, agile, and innovative culture
✅ Hybrid working model with flexibility
✅ Long-term project with evolution potential
✅ Be part of a technically challenging, high-impact ecosystem

Key Skills

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