Java Software Engineer (Systems Integration)

Remote from: Belgium
Annual salary: Undisclosed
Salary information is not provided for this position. Check our Salary Directory to estimate the average compensation for similar roles.
Department: Software Engineering
Employment type: Full Time,
Job posted: 9 Oct 2025
Apply before: 9 Nov 2025
Experience level: Senior
Views / Applies: 86 / 21

Stimulating development and accelerating progress by seamlessly connecting business with information technology.

Actively Hiring

At UniSystems, we are working towards turning digital visions into reality. We are continuously growing and we are looking for a Java Software Engineer to join our UniQue team!

What will you be doing in this role:

Involvement in the Architecture and design of information systems, also reviewing the existing systems’ architecture
Design and development of architectural components and building blocks;
Analysis of the integration of different information systems;
Coordination of the implementation of the technical architecture;
Production of software architecture documents;
Participation in technical working groups, progress meetings and meetings with the users;
Design of application data models;
Design of application workflow models;
Design of application APIs using suitable frameworks (REST, Swagger)
Design and development of software components and building blocks using suitable back-end components and frameworks (Java Spring, JPA);
Design and implementation of application integration with corporate IAM services for authentication and authorization purposes;
Delivery through a CI/CD pipeline.

Requirements

What do you need to succeed in this position?

A Master degree and at least 13 years of relevant work experience
Proven and recent coding experience in Java web application development (Java Spring, Hibernate)
Minimum 6 years of experience in development of information systems
Minimum 6 years of experience with Java web application development (of which, at least 3 years of development experience with Java Spring and REST API development)
At least 3 years of experience in development of complex information systems
At least 2 years of experience with Agile software development (refactoring, test-driven development, user story modelling)
3+ years of frontend development with Angular or Kendo UI (advantage).
Strong knowledge of Java back-end frameworks (Spring), Oracle WebLogic, Oracle DB, SQL, and UML.
Proficiency with Atlassian tools (Bitbucket, Jira, Confluence, Balsamiq), Maven, Jenkins, JUnit, and Docker.
Experience with CI/CD pipelines, container technologies, and interoperability (REST APIs, web services).
Familiarity with SCRUM methodology (advantage).
A good level of the English language is mandatory

Benefits

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 Diversity, Equality & Inclusion Policy for more information.

Apply now >