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AlmavivA de Belgique

Back End Developer

On site

Brussels, Belgium

Freelance

03-03-2026

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Skills

Java Kotlin Jira MongoDB PostgreSQL Docker Kubernetes Security Testing Architecture Databases Confluence Spring Hibernate Spring Boot Maven Microservices

Job Specifications

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

SPECIFIC EXPERTISE AND TECHNOLOGIES

Back-end: Vert.x, Kotlin , Java (> 17) , Spring Boot (WebFlux), Hibernate.
Architecture & Integration: Microservices Architecture, API-driven Development, AS4.
Database: MongoDB , PostgreSQL, Virtuoso Triple Store, OpenSearch.
Containerization & Orchestration: Docker, Kubernetes.
Security: OpenID Connect, OAuth2, TLS, Keycloak.
Security Testing & Dependency Management: SAST, DAST, Fortify, SonarQube, Sonatype, Dependency-Track, Maven.
Collaboration & Productivity Tools: JIRA, Confluence, Office 365, SharePoint

Level : 10

Delivery mode: Near Site (Brussels)

About the Company

AlmavivA de Belgique is a new Belgian IT company, a branch of the AlmavivA Group , created purposely to satisfy the needs of customers in Belgium, Luxembourg and the entire EU. The AlmavivA group is the largest supplier of Information & Communication Technology in Italy, with years of experience and an in-depth understanding of the public and private sector markets. The Group is currently undergoing major international expansion and is already a global operation: it has 43 offices in Italy and 23 abroad, and employs 45,000... Know more