Software Architect Java

What you will do

You will be responsible for designing and guiding the implementation of Java-based applications within a public-sector environment. Working closely with the enterprise architect, cloud engineers and external suppliers, you will help keep costs within budget while taking the necessary steps to professionalise development processes.

Your tasks include:

• Designing software architecture for Java applications
• Preparing high-level and low-level designs (HLD/LLD)
• Ensuring compliance with architecture principles and security guidelines
• Collaborating with internal teams and external partners
• Supporting the implementation of CI/CD pipelines and Infrastructure as Code

This assignment is ordered in phases. The first phase is estimated at 400 hours, with optional follow-up phases.

What we are looking for

Essential

• 5 years of proven experience as a specialist architect in a specific domain (networking, security, server infrastructure, application architecture, ERP, ECM platforms, data warehouse and BI, etc.) or as an Enterprise Architect
• 5 years of experience as a Java Software Architect
• Proven experience with DevOps and Infrastructure as Code (Terraform and Ansible)
• Proven knowledge and experience of modelling techniques (ArchiMate, TOGAF, UML, Sparx EA)
• Proven knowledge of ArchiMate and UML to communicate clearly
• Proven knowledge of Spring Boot and container technology
• A hands-on mentality: you can help development teams work out the necessary samples when needed and guide them to translate theory into practice
• You can clearly define where responsibilities lie and follow up on them
• Bachelor's or Master's degree
• Strong communication skills and stakeholder management
• Dutch at European CEFR level C2

Desirable

• Proven experience with Azure services (Compute, Storage, Networking, Security)
• Proven experience with the guidelines within the Flemish government landscape (IK1-4)
• Proven knowledge and experience of business processes in general
• Proven knowledge and experience of various project management facets (cost, timing, coordination, planning, estimates)
• Proven knowledge of all domains plus proven specialist architect in at least one specialist domain (infrastructure, application, security, data, process, etc.)

The setting

This assignment runs from mid-November 2026 to the end of July 2027, with an estimated workload of 1,200 hours. The start date is 16 November 2026.

The role is full-time, with hybrid working arrangements to be agreed with the line manager. The working location is in Brussels.

You will work in Dutch.