In the context of a major business transformation program, we are looking for a senior Java developer to reinforce the existing teams. As a senior developer, you will join a department of about 70 people (in evolution) to ensure the hand-over, refactoring and/or greenfield development of business applications. The developer we're looking for will be responsible for the development of Java applications, supporting the analysts and business objectives, while providing expertise in Full-Stack software development lifecycle, from concept and design to testing. Responsibilities Development / Maintenance of business applications Development of application components/WebServices Contribute in the design of architecture components and building blocks (in close collaboration with technical lead or senior software architects) Participation in technical working groups, Scrum meetings and meetings with the users if needed Assistance in the testing, the technical documentation, the deployment, the evaluation and the reporting (JUnit, Jira) Profile Experiences: Minimum 5-7 years of full-time professional Java Development experience is required (Full-Stack preferred - backend with good affinity for frontend is ok) Familiarity with multi-system integration and complex environments Competencies: Technical knowledge and practical experience of required technologies to be able to start development and support directly (below): Java and Spring Framework JPA (with Hibernate as implementation) Security patterns (Spring security) SOAP and RESTful Web Services Spring Batch SOA, MicroServices, CQRS Test driven development (JUnit, Spring, CI, Mockito, Cypress, Selenium) Frontend (HTML/CSS/JavaScript, Angular) & backend abilities Maven, Jenkins, Docker, OpenShift, SVN or GIT and Eclipse or IntelliJ, Sonar, JBoss, Tomcat Experience with relational database and O/R mapping: PostgreSQL, SQL Server, Able to read and understand BPMN, UML & documentation practices Jira/Confluence A knowledge in the following technologies would be a nice to have, but not required: Talend, ZK, Oracle, Kafka Familiar with Agile/Scrum methodologies, test-driven development and Continuous integration Problem solver, able to quickly understand existing code Solution and customer oriented Ability to integrate easily into an existing team and to supervise juniors Mission & Working hours Our client is based in Brussel (Midi Station) This will be an initial contract - The mission is long term and can be extended 5 days from Monday until Friday (7h48 per day). Homeworking is possible (3 days a week) Languages French or Dutch: active knowledge (understanding / speaking / writing technical documentation / reading) of one language. English (written / team communication): active knowledge Due to the nature of the activities, the candidate must have the Belgian nationality and live in Belgium.