Lead Front-End Java Developer – 12-Month ContractHybrid – 1 Day Onsite (Brussels or Mechelen) | 4 Days RemoteWe are looking for an experienced Lead Front-End Java Developer to join a high-impact project within the public sector. This role offers the opportunity to take ownership of front-end development, mentor junior developers, and contribute to a platform that serves thousands of users.What You’ll Do:Develop and implement new functionalities based on use cases and domain models.Act as the Lead Front-End Developer, collaborating with the technical lead.Support and mentor junior developers, ensuring best practices and code quality.Contribute flexibly to back-end development when required.Write, maintain, and execute tests to ensure robust functionality.Document work using JIRA/Confluence and participate in internal meetings.What We’re Looking For6+ years of hands-on experience with:Java 8+, Spring, Spring Boot, Hibernate, Maven, Git, IntelliJAngular and TypeScriptStrong testing skills and commitment to clean, maintainable code.Fluency in Dutch (mandatory).Experience with AWS and Docker is a strong advantage.Previous lead experience is not essential – we welcome developers ready to step up into a lead role.