Sr. Java Full Stack Developer / Software Architect

Senior Java Full Stack Developer / Software Architect – (FULLY REMOTE)

About the role

Are you ready to contribute to one of the largest digital transformation programs within the Belgian public sector?

We are looking for a Senior Java Full Stack Developer / Software Architect to support a major modernization initiative within a key public administration. This program is transforming a legacy monolithic application into a modern microservices-based architecture running on Kubernetes, following an API-first and event-driven approach.

Beyond technical modernization, this initiative is also a full business transformation program, enabling faster delivery of new features, improved agility, and a significantly enhanced experience for both internal and external users.

You will be working in a highly collaborative environment focused on scalable, secure, and future-proof digital platforms.

Make sure to apply with all the requested information, as laid out in the job overview below.

The program

The initiative replaces a legacy system with a modern architecture based on:

• Microservices architecture
• Kubernetes-based deployment
• API-first design principles
• Event-driven processing
• DevOps and continuous delivery practices

The objective is to build a flexible and scalable platform capable of evolving with changing business and regulatory needs.

Your responsibilities

Software Development & Architecture

• Design, develop, and maintain microservices-based applications
• Build backend services using Java / Spring Boot
• Contribute to architecture design and technical decision-making
• Develop front-end components using Angular

System Integration

• Design and implement APIs in an API-first architecture
• Ensure seamless integration between legacy and modern systems
• Support migration toward microservices and cloud-ready solutions

DevOps & Delivery

• Work in a DevOps-oriented environment
• Use tools such as Git, CI/CD pipelines, and Kubernetes
• Support deployment, monitoring, and performance optimization

Quality & Agile Collaboration

• Ensure code quality through best practices and testing
• Participate in SCRUM ceremonies and agile delivery cycles
• Collaborate closely with architects, analysts, and developers

Knowledge Sharing

• Act as a technical reference within the team
• Share expertise and support continuous improvement

Your profile xqknzec

• Strong experience as Senior Java Developer or Software Architect
• Expertise in Java and Spring Boot
• Experience with microservices architectures and Kubernetes
• Knowledge of Angular or similar frontend frameworks
• Strong understanding of DevOps practices and CI/CD pipelines
• Experience with enterprise environments and tools (e.g. DB2, ELK, WebLogic) is a plus
• Agile mindset with experience in SCRUM teams
• Strong analytical and architectural thinking
• Ability to work autonomously in complex environments

Languages

• English: active knowledge (required)
• Dutch and/or French: nice to have

Practical

• Location: Fully remote (Brussels)

Interested: