Back End Developer

Backend Developer Brussels Belgium near site

Freelance

EU Citizens only due to security clearance

NATURE OF TASKS

▪Development of back-end website applications.

▪Integration of user-facing elements developed by a front-end developer with server side logic.

▪Implement core business logic.

▪Creation of servers and databases for functionality.

▪Design and implementation of data storage solutions.

▪Understanding and implementation of security and data protection.

▪Optimization of the application for maximum speed and scalability.

▪Design and develop APIs.

▪Participating in the design and creation of scalable software.

▪Taking lead on projects, as needed.

▪Maintenance of code integrity and organisation.

▪Writing clean, functional code on the back-end.

▪ Compile and analyse 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

3. LEVEL OF EDUCATION

As stated in the Article 2.6.3.1. of DIGIT-TM II Service requirements, the minimum educational qualification for lot 1 is a level of education corresponding to level 6 of the European Qualification Framework, as follows:

▪a bachelor’s level or

▪3 years of higher education

SPECIFIC EXPERTISE AND TECHNOLOGIES

At least 1 year of specific expertise in

Back-end: Vert.x, Kotlin , Java (> 17) , Spring Boot (WebFlux), Hibernate.

At least 1 year of specific expertise in

Architecture & Integration: Microservices Architecture, API-driven Development, AS4.

At least 1 year of specific expertise in

Database: MongoDB , PostgreSQL, Virtuoso Triple Store, OpenSearch.

At least 1 year of specific expertise in

Containerization & Orchestration: Docker, Kubernetes.

At least 1 year of experience in

Security: OpenID Connect, OAuth2, TLS, Keycloak.

At least 1 year of specific expertise in

Security Testing & Dependency Management: SAST, DAST, Fortify, SonarQube, Sonatype, Dependency-Track, Maven.

At least 1 year of specific expertise in

Collaboration & Productivity Tools: JIRA, Confluence, Office 365, SharePoint