Senior Full Stack Java Developer

HumanInTech; Vlaanderen; Híbrido; EUR 70.000 - 100.000; Jornada completa

Descripción de la vacante

HumanInTech invites an experienced Java-focused developer to join a Flemish public organisation tasked with sustainable soil and waste management. You will modernise an existing soil file management app, progressively replacing parts with a modern stack and contribute to a machine learning project prioritising asbestos inventories quality control.

Role requires 5+ years in Java, strong Azure, Hibernate, Kubernetes and React skills, Dutch at CEFR C2, and a leadership mindset to coach the team in

Formación

• At least 5 years of experience developing Java-based applications.
• Education or certification in Java/J2EE or equivalent through experience.
• Experience in the waste management sector.
• Experience in the public sector.
• At least 4 years of experience with Azure.
• At least 5 years of experience with Hibernate, Kubernetes and React.
• Experience with ArgoCD and REST services.
• Fluent Dutch at CEFR level C2.

Responsabilidades

• Developing Java-based applications using Spring Boot, Hibernate and REST services.
• Building front-end components with React.
• Working with Azure, Kubernetes and ArgoCD for deployment and orchestration.
• Leading and coaching the development team.
• Taking a leading role in Agile development practices.
• Coding, testing and debugging with confidence and speed.
• Contributing to a more geographic and streamlined approach to managing soil files.

Conocimientos

Java development

Spring Boot

Hibernate

React

Kubernetes

ArgoCD

REST services

Azure

Angular

Maven

TDD

Agile methodology

Leading a development team

Dutch language (C2)

Educación

Bachelor's degree

Herramientas

Azure

Kubernetes

ArgoCD

Jira/Confluence (Atlassian Tools)

Maven

Descripción del empleo

What you will do

You will join the soil management team at a Flemish public organisation responsible for sustainable waste, materials and soil management. The organisation is modernising its soil file management application to support more proactive identification and remediation of contaminated sites across Flanders.

Your work will focus on gradually replacing parts of the existing application with new development, using a modern technology stack. You will also contribute to a machine learning project that helps prioritise quality control of asbestos inventories.

Your responsibilities include:

• Developing Java-based applications using Spring Boot, Hibernate and REST services
• Building front-end components with React
• Working with Azure, Kubernetes and ArgoCD for deployment and orchestration
• Leading and coaching the development team
• Taking a leading role in Agile development practices
• Coding, testing and debugging with confidence and speed
• Contributing to a more geographic and streamlined approach to managing soil files

What we are looking for

Essential requirements:

• At least 5 years of experience developing Java-based applications
• Education or certification in Java/J2EE or equivalent through experience
• Experience in the waste management sector
• Experience in the public sector
• At least 4 years of experience with Azure
• At least 5 years of experience with Hibernate, Kubernetes and React
• Experience with ArgoCD and REST services
• Fluent Dutch at CEFR level C2

Highly valued:

• Experience leading a development team and coaching developers
• Strong ability to execute programming tasks: coding, testing and debugging
• Knowledge and experience of Agile development methodology, with the ability to take a leading role
• Experience within the Flemish government
• Experience with Angular, Atlassian Tools (5 years), Maven, Spring Boot and test-driven development

The setting

This assignment runs from November 2026 to the end of December 2027. The role is based in Flanders, with hybrid working possible. You will work full-time in a Dutch-speaking environment.

The organisation aims to have all historical soil contamination remediation started by 2036, requiring a significant increase in the volume of soil files managed. Your work will directly support this important environmental goal.

Location: Flanders, hybrid

Work address: Belgium

Employer / contracting party: HumanInTech

Applications close (Brussels time): November 9, 2026 at 1:00 AM

Engagement: Freelance or employed by HumanInTech

Working hours: Full-time

Experience: 6–10 years or more

Education: Bachelor's or more

Published: November 2026