Senior Java DeveloperBrussels & Ghent, BelgiumStart Date: May 2026OverviewWe are looking for a Senior Java Developer to design, build, and maintain scalable backend services within a cloud-native environment. You will work on high-impact digital platforms, focusing on secure data handling, performance, and seamless integration across systems.Key ResponsibilitiesDesign, develop, and maintain Java-based backend services using Spring BootBuild scalable microservices and REST APIs for data integrationEnsure security, performance, and reliability of applicationsApply best practices such as TDD, Domain-Driven Design (DDD), and Agile methodologiesCollaborate with architects and development teams to align with overall architectureContribute to CI/CD pipelines and DevOps practicesLead and mentor developers, supporting team growth and technical excellenceWork with relational databases and optimize data accessRequirementsMinimum 5 years' experience in Java development (Senior level)Strong experience with Spring Framework (Spring Boot, Spring Data, Spring Security)Experience with microservices architectureExperience with Hibernate, JPA, or SQLKnowledge of CI/CD pipelines and DevOps toolsExperience with Agile methodologiesStrong coding, testing, and debugging skillsDutch language proficiency at C2 level (mandatory)Nice to HaveExperience with AWS and DockerKnowledge of OAuth2 / OIDCExperience with testing tools (JUnit, AssertJ, JMeter)Familiarity with SOAP, Postman, or NewmanKnowledge of mobile application developmentExperience with Node.js or similar technologiesAdditional DetailsFull-time role (100%)Primarily on-site in Brussels (minimum 2 days/week)Contract until July 2027If you are a skilled Java developer with a passion for building secure and scalable systems, this role offers an opportunity to contribute to impactful digital solutions at scale.
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