Full Stack Java Developer – Migration Project

What you will do

You will join a development team working on applications that manage data related to soil, subsoil and groundwater samples and observations. Your main focus will be implementing changes required for the migration from one coordinate system to another in the relevant applications.

As a Java developer, you will be responsible for developing solutions that meet the requirements set out in functional analyses and for performing technical analysis of the solutions to be built. You will monitor the quality of delivered solutions in collaboration with colleagues and end users.

You will work according to agile methodology, participating in:

• Monthly sprint reviews to evaluate results and agree on new planning
• Bi-weekly sprint planning sessions
• Daily stand-ups with the full development team

What we are looking for

Essential requirements:

• At least 5 years of demonstrable experience in developing Java-based applications
• Demonstrable experience with JPA/Hibernate
• Demonstrable experience with REST
• Demonstrable experience with Spring framework/Spring Boot
• Demonstrable training with certification or equivalent through experience in programming languages and environments such as Java/J2EE
• Native or near-native proficiency in Dutch (CEFR level C2)

Strong advantages:

• Experience within the public sector, particularly in a Flemish government context
• Experience leading a development team and coaching developers
• Experience executing programming tasks fluently: coding, testing and debugging
• Experience with build tools (Maven)
• Experience with Git
• Experience with projection systems (SRS, GML, etc.)
• Experience with test-driven development
• Experience with testing frameworks (JUnit/AssertJ)
• Knowledge and experience of agile development methodology, with the ability to take on a leading role

Nice to have:

• Experience with the soil and subsoil domain

The technologies you will use

• Java
• Spring framework/Spring Boot
• GWT
• Web development technologies (HTML, CSS, JavaScript)
• JUnit/AssertJ
• Maven
• SQL and PostgreSQL with PostGIS extension
• Git
• JIRA and Confluence

The setting

This assignment runs from November 2026 to mid-July 2027. The work location is in the Ghent region, with a minimum of two days per week on-site required; remote work is possible for the remaining days. You will occasionally be expected in Brussels for collaboration.

The working language is Dutch.

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.

Location: Ghent region, hybrid

Work address: Belgium

Employer / contracting party: HumanInTech

Applications close (Brussels time): November 10, 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