Freelance Java Back-end Developer – BrusselsWe are looking for an experienced Freelance Java Back-end Developer to join a high-visibility Agile environment in Brussels. You will work in a cross-functional squad responsible for critical customer-facing products within a large-scale enterprise IT landscape.The team focuses on building and evolving digital solutions used across multiple channels and business lines, with a strong emphasis on back-end development, integrations, and modernisation .
Your missionAs a senior back-end developer, you will:Maintain and further develop existing Java applicationsBuild new back-end services and applicationsMigrate legacy applications to newer versions and architecturesWork on integrations with third-party providersTranslate business requirements into clean, high-quality codeDesign, build and maintain performant and reliable Java applications using SpringWrite unit tests and ensure robustness, performance and scalabilityActively participate in code reviews, refactoring and CI/CD practices
Your profileMinimum 4 years of relevant experience as a Java DeveloperStrong professional knowledge of English (Dutch and/or French is a plus)Solid experience with:Java, Spring, MavenRESTful APIsOracle DBOO principles, SOLID, DDD and design patternsHands-on experience with:Git, CI/CD pipelinesJenkins, SonarQube, Fortify, Nexus IQ (or similar tools)Test Driven DevelopmentAgile mindsetYou thrive in a Scrum/Agile environment and believe in:Team success over individual heroicsKnowledge sharing and continuous improvementPair programming and constructive code reviewsTransparency, feedback and adaptability
Soft skillsStrong communication and collaboration skillsAble to challenge requirements from a technical perspectiveProactive, accountable and comfortable taking the lead when neededCommitted to long-term collaboration within a team
Location: BrusselsContract: FreelanceRole: Java Back-end Developer