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Freelance or employed by HumanInTechFull-time Brussels, hybrid

Tech Lead Solution Architect Senior

A Belgian public-sector organisation

What you will do

You will lead the cross-functional architecture team of a Belgian public-sector organisation, combining technical leadership with strategic architecture work. Your responsibilities span technology, operations and business alignment.

Your day-to-day work includes:

  • Providing technical leadership for the cross-functional architecture team
  • Coaching and upskilling development teams
  • Defining and evolving reference architectures over time
  • Establishing SLI/SLO/SLA frameworks and monitoring strategies
  • Following up on strategic projects
  • Supporting business stakeholders in specifying their requirements
  • Defining and implementing technological evolutions and technical debt management strategies
  • Monitoring and implementing security and information management regulations
  • Aligning with operational lines
  • Collaborating with infrastructure teams and external partners
  • Gathering requirements and evaluating products in procurement procedures
  • Providing internal training modules

What we are looking for

You have at least 15 years of experience in development and the Java ecosystem, with proven leadership skills and a strong interest in operational and business aspects as well as technology.

Technical skills:

  • Java, TypeScript, Angular
  • Domain-driven design (DDD)
  • CI/CD, Docker/Kubernetes
  • Spring (Boot), RabbitMQ
  • OAuth2/OIDC, OpenAPI/AsyncAPI, OpenTelemetry
  • Maven/Gradle
  • Test-driven development (TDD), Cypress
  • Hibernate
  • C4/Archimate modelling

Human skills:

  • Agile methodologies
  • Individual and team coaching
  • Requirements analysis
  • Out-of-the-box thinking
  • Leadership

Experience and education:

  • A bachelor's degree in IT
  • At least one Scrum Master and/or ICT project management training
  • At least 10 years of proven experience as a team lead
  • Recent successful experience implementing a migration architecture from a legacy backend system to a modern technology stack (Spring) and managing the full project lifecycle
  • Experience in a social security institution (at least one year) is a major asset

Application requirement:

In addition to your CV, you will need to provide the correct output for a Java code exercise. The absence or insufficiency of this answer is eliminatory.

The setting

This assignment runs from November 2026 to the end of December 2027 (14 months). The work is hybrid, based in Brussels. You will need active knowledge of both French and English.

How you join us

You can join us for this assignment as a freelancer or as an employee of HumanInTech. Same role, same team.

If you join as an employee, your employment continues beyond this assignment. When it ends, we’ll work together to find your next assignment.

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