-
Sansaone

Full Stack Developer

Sansaone
Belgium · Full-time · Mid-Senior

Title:Fullstack Java developer Senior

Location : Saint-Josse-ten-Noode

Contract Duration : 6 Months

Work Mode : Hybrid

Languages: English +French +Dutch


Overview :

  • Main responsibilities
  • 1.As a "programmer"
  • Develop and/or adapt computer applications in order to provide efficient and user-friendly work tools to end
  • users2.As an "analyst - programmer"
  • Analyze the technical specifications of an application to determine the best solution and perform this analysis (smaller projects) to enable users to perform their tasks efficiently and to ensure the optimal and controlled operation of IT
  • assets 3. As a "specialist"
  • - Perform technical analysis in the context of business projects.
  • - Advise on integrations, data models, performance and scalability.
  • - Support the team in the adoption of architectural technologies and patterns.
  • - Analyze and resolve complex technical problems in a highly interconnected environment.
  • - Ensure consistency between legacy and modern components.
  • Technical skills sought
  • - Proven experience (7+ years) in complex IT programming.
  • - Expertise in modern Java (Spring, microservices, API-driven, event-driven).
  • - Skills in containerization and orchestrators (OpenShift).
  • - Advanced knowledge of relational databases (MySQL) and data modelling.
  • - Knowledge of integrations: messaging, REST/GraphQL, event-driven.
  • - Knowledge of resilient architectures and high availability.
  • - Understanding of security standards (NIS2).
  • Education
  • - Master's degree in computer science or equivalent experience.

Skills

  • Agile/Scrum
  • Angular
  • Atlassian Stack
  • Docker/ JSF/ SonarQube/SOAP/Swagger/ OpenAPI/ Openshift
  • Hexagonal Architecture
  • Hibernate / JPA
  • IntelliJ
  • Java Level Expert
  • JUnit/ SQL / Flyway
  • Lombok
  • Maven/Git/Rest
  • NPM/ IBM websphere
  • Spring/ spring boo

Key Skills

Ranked by relevance

java containerization microservices mysql sql
Login to Apply
Posted
Feb 23, 2026
Type
Full-time
Level
Mid-Senior
Location
Brussels
Company
Sansaone

Industries

IT Services IT Consulting

Categories

Information Technology

Related Jobs

3 roles aligned with this opportunity

View all jobs
View Job Details
Sansaone
Related

Full Stack Engineer

2026-03-10

Full-time
Mid-Senior
Belgium
IT Services
Information Technology
View Job Details
Ypto
Related

Senior Java Developer

2026-05-28

Full-time
Not Applicable
Belgium
IT Services
Engineering
View Job Details
Sansaone
Related

Cloud Architect

2026-03-23

Full-time
Mid-Senior
Luxembourg
IT Services
Information Technology