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Uni Systems

Java Fullstack Developer

Uni Systems
Belgium · Full-time · Mid-Senior
At Uni Systems, we are working towards turning digital visions into reality. We are continuously growing and we are looking for a Java Backend Developer to join our UniQue team.

What will you be doing in this role?

  • Design and define information system architectures
  • Review and assess existing system architectures
  • Develop architectural components and reusable building blocks
  • Analyze and support integration between different information systems
  • Coordinate implementation of technical architecture across teams
  • Produce and maintain software architecture documentation
  • Participate in technical working groups, progress meetings, and user discussions
  • Design application data models
  • Design application workflow models
  • Design and document APIs using frameworks like REST and Swagger
  • Develop backend components using technologies such as Java Spring and JPA
  • Implement integration with corporate IAM services for authentication and authorization
  • Manage and support delivery through CI/CD pipelines

Requirements

What will you be bringing to the team?

  • Master's degree and 13 years of IT professional experience
  • 6 years of experience in information systems development
  • 6 years of experience in Java web development, including at least 3 years with Spring (Spring Boot, Spring Data, Spring Security), Hibernate, JPA, and REST APIs
  • 3 years of experience in frontend development using Angular or Kendo UI
  • 2 years of experience working with Agile practices such as TDD, refactoring, and user story modelling
  • Strong understanding of Enterprise Architecture and system design principles
  • Experience designing and implementing data pipelines and handling real-time streams with Kafka
  • Hands-on experience with CI/CD tools in the Atlassian stack (Bitbucket, Jira, Confluence, Bamboo)
  • Proficiency with Maven for build automation and dependency management
  • Experience using Docker for containerization
  • Solid testing practices with JUnit
  • Daily use of Git and modern IDEs like VS Code or JetBrains tools
  • Strong knowledge of relational databases, especially Oracle DB, and advanced SQL
  • Familiarity with modelling standards such as UML
  • Understanding of secure authentication protocols like OAuth
  • Knowledge of Clean Architecture and Domain-Driven Design (DDD)
  • Exposure to distributed data processing frameworks (Spark, Hive) is considered an advantage
  • Awareness of SCRUM methodology is considered an advantage
  • Proficiency in English language at B2 level.

At Uni Systems, we are providing equal employment opportunities and banning any form of discrimination on grounds of gender, religion, race, color, nationality, disability, social class, political beliefs, age, marital status, sexual orientation or any other characteristics. Take a look at our for more information.

Key Skills

Ranked by relevance

java cicd containerization spring boot confluence angular docker oracle kafka maven oauth scrum junit spark jira git tdd sql uml ddd ui
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Country Guide

Belgium

International hub for EU careers

Posted
Mar 31, 2026
Type
Full-time
Level
Mid-Senior
Location
Brussels
Company
Uni Systems

Industries

Technology Information Internet

Categories

Information Technology

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