Ph3Senior Java Developer /h3pBrussels Ghent, Belgiumbr/Start Date: May 2026 /ph3Overview /h3pWe 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. /ph3Key Responsibilities /h3ulliDesign, develop, and maintain Java-based backend services using Spring Boot /liliBuild scalable microservices and REST APIs for data integration /liliEnsure security, performance, and reliability of applications /liliApply best practices such as TDD, Domain-Driven Design (DDD), and Agile methodologies /liliCollaborate with architects and development teams to align with overall architecture /liliContribute to CI/CD pipelines and DevOps practices /liliLead and mentor developers, supporting team growth and technical excellence /liliWork with relational databases and optimize data access /li /ulh3Requirements /h3ulliMinimum 5 years' experience in Java development (Senior level) /liliStrong experience with Spring Framework (Spring Boot, Spring Data, Spring Security) /liliExperience with microservices architecture /liliExperience with Hibernate, JPA, or SQL /liliKnowledge of CI/CD pipelines and DevOps tools /liliExperience with Agile methodologies /liliStrong coding, testing, and debugging skills /liliDutch language proficiency at C2 level (mandatory) /li /ulh3Nice to Have /h3ulliExperience with AWS and Docker /liliKnowledge of OAuth2 / OIDC /liliExperience with testing tools (JUnit, AssertJ, JMeter) /liliFamiliarity with SOAP, Postman, or Newman /liliKnowledge of mobile application development /liliExperience with Node.js or similar technologies /li /ulh3Additional Details /h3ulliFull-time role (100%) /liliPrimarily on-site in Brussels (minimum 2 days/week) /liliContract until July 2027 /li /ulpIf 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. /p /p #J-18808-Ljbffr