Expert Full Stack Developer - Deadline 23/11/26

The proposed candidate shall demonstrate at least 15 years of IT professional experience covering the complete software development lifecycle (front-end + backend). Within that experience, the candidate shall demonstrate all of the following: • Minimum 13 years with the Oracle relational database (SQL, PL/SQL) , query optimisation, performance tuning and data-access layers (JDBC/Hibernate). • Minimum 12 years of back-end development in Java / Java EE with Spring (incl. Spring Boot) and JPA/Hibernate , core business logic, web services, persistence and transactions for business-critical applications, including maintaining legacy Java EE components on an application server (WebLogic) alongside modern Spring components. • Minimum 11 years of end-to-end full-stack software delivery over the complete lifecycle, owning features from the user interface and API consumption through the server-side business logic and database interactions, including requirements analysis, design, integration, testing, delivery and maintenance. • Minimum 8 years designing, building and integrating SOAP and/or REST web services (SOAP/WSDL, REST, JSON/XML, OpenAPI/Swagger) between a core system and connected/legacy systems, applying application security (authentication/authorization). • Minimum 5 years of front-end development with JavaScript and a modern frontend framework (Angular or equivalent), with HTML/CSS, building responsive, cross-browser web applications that consume back-end services. TASKS and RESPONSABILITIES: Create new and enhanced full-stack features of the HR business web application (frontend screens/dashboards + server-side logic + persistence + services) Front-end components (Angular / JavaScript, HTML/CSS) consuming back-end services Java / Java EE / Spring (Spring Boot) back-end components and business logic (incl. maintenance of legacy Java EE components) SOAP/REST web services and integration components with connected/legacy systems Oracle database objects, schemas and data-access components (SQL, PL/SQL, JDBC/Hibernate/JPA) Database performance-tuning and optimisation reports Functional and technical specifications and design documents Unit, integration and end-to-end tests Build/release artefacts and CI configuration (Maven, Bamboo/Bitbucket, Git), containerization/deployment scripts (Docker) Deployment/release notes and technical documentation Level : Expert (more than 15 years of IT experience based on Development) Delivery mode: Near Site (Brussels) Deadline 23/11/26 Only EU Citizens can apply