Senior Java Developer – Migration (Java, ExtJS, GWT))
East Flanders
Digital - Development
Bachelor
Work experience: 5-7
Reference number: 91037
We’re looking for a Senior Java Developer to join a modernization program focused on migrating legacy Visual Basic applications to modern Java web applications.
You’ll work within an agile development team responsible for ensuring the long-term continuity, performance, and scalability of applications used in geotechnical data analysis, measurement processing, and reporting.
What You’ll Do
- Develop, maintain, and migrate existing geotechnical applications from Visual Basic to Java/J2EE web-based solutions.
- Collaborate with analysts and developers to design and implement high-quality, maintainable code.
- Manage bug fixes, feature updates, and technical improvements across multiple linked Java applications (reporting, planning, dossier management).
- Ensure architectural consistency and alignment with shared IT principles and standards.
- Contribute to agile (Scrum) planning, development, and testing activities.
- Provide clear technical documentation and support for application deployment and maintenance.
- Occasionally coach junior developers and share best practices within the development team.
What are we looking for?
- 5+ years of experience in Java/J2EE development.
- Experience developing web applications using ExtJS and Google Web Toolkit (GWT).
- Strong understanding of object-oriented analysis & design (OOAD) and UML.
- Knowledge of Tomcat 8.5 or similar Java application servers.
- Familiar with version control systems (e.g. Subversion, Git) and issue tracking tools (e.g. Jira).
- Experience with testing and code profiling tools.
- Understanding of Agile/Scrum development methodologies.
- Fluent in Dutch (C2).
Nice-to-Have Skills
- Experience working in data-intensive or scientific environments.
- Knowledge of geotechnical or environmental data concepts.
- Familiarity with Geosys, Geocore, or similar applications.
What do we offer?
Location: Zwijnaarde (Ghent area – hybrid)
Contract: Freelance or Permanent
Duration: 12 months (renewable)
Start date: ASAP
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