We currently have a vacancy for a Senior Back-End Engineer (Java / Kotlin) fluent in English, to offer his/her services as an expert who will be based in Belgium. The work will be carried out either in the company’s premises or on-site at customer premises. In the context of the first assignment, the successful candidate will be integrated with the Development team of the company that will closely cooperate with a major client’s IT team on site.

Your tasks

• Development of back-end website applications;
• Integration of user-facing elements developed by a front-end developer with server side logic;
• Creation of servers and databases for functionality;
• Design and implementation of data storage solutions;
• Understanding and implementation of security and data protection;
• Design and develop APIs;
• Compile and analyse data, processes, and codes to troubleshoot problems and identify areas for improvement;
• Testing and fixing bugs or other coding issues;
• Write technical documentation.

• University degree in IT combined with relevant IT professional experience of 15 years;
• At least 10 years of expertise in Vert.x, Kotlin, Java (> 17), Spring Boot (WebFlux), Hibernate;;
• At least 10 years of experience in Collaboration & Productivity Tools: JIRA, Confluence, Office 365, SharePoint;
• At least 6 years of expertise in Architecture & Integration: Microservices Architecture, API-driven Development, AS4;
• At least 6 years of specific expertise in Containerization & Orchestration: Docker, Kubernetes;
• At least 6 years of experience in Security Testing & Dependency Management: SAST, DAST, Fortify, SonarQube, Sonatype, Dependency-Track, Maven;
• At least 6 years of expertise in Databases: MongoDB, PostgreSQL, Virtuoso Triple Store, OpenSearch
• At least 5 years of experience in Security: OpenID Connect, OAuth2, TLS, Keycloak
• Excellent command of the English language.