Java Developer

Java Backend Developer

I am seeking a back end Java Developer to join an international team in Brussels. This is a long term contract role and offers a hybrid working model, up to 5 days per month at the customer site, otherwise remote working is possible.

Tasks and Responsibilities of the Java Developer

• Development of back-end website applications.
• Implement core business logic.
• Creation of servers and databases for functionality.
• Understanding and implementation of security and data protection.
• Cross-platform optimization.
• Design responsive applications.
• Design and develop APIs.
• Participating in the design and creation of scalable software.
• Taking lead on projects, as needed.
• Maintenance of code integrity and organization.
• Writing clean, functional code for the back-end and possibly front-end applications.
• Compile and analyze data, processes, and codes to troubleshoot problems and identify areas for
• improvement.
• Testing and fixing bugs or other coding issues.
• Meet both technical and consumer needs.
• Write technical documentation.

Required Skills and Experience of the Java Developer

• Bachelor’s Degree on a related field.
• At least 10 years of specific expertise in Back-end: Vert.x, Kotlin , Java (> 17) , Spring Boot (WebFlux), Hibernate.
• At least 6 years of specific expertise in Architecture & Integration: Microservices Architecture, API-driven Development, AS4.
• At least 6 years of specific expertise in Database: MongoDB , PostgreSQL, Virtuoso Triple Store, OpenSearch.
• At least 6 years of specific expertise in Containerization & Orchestration: Docker, Kubernetes.
• At least 5 years of experience in Security: OpenID Connect, OAuth2, TLS, Keycloak.
• At least 6 years of specific expertise in Security Testing & Dependency Management: SAST, DAST, Fortify, SonarQube, Sonatype, Dependency-Track, Maven.
• At least 10 years of specific expertise in Collaboration & Productivity Tools: JIRA, Confluence, Office 365, SharePoint
• Ability to apply high quality standards to all tasks.
• Ability to participate in multi-lingual meetings, good communication skills.
• Capability of working in an international/multicultural environment, rapid self-starting capability and experience in working in a team, understanding the needs, objectives, and constraints of those in other disciplines and functions.
• Ability to adapt to unplanned changes or decisions.
• Ability to understand, speak and write in English C2.