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Java Backend Developer

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Remote

Java Backend Developer

Uni Systems

Java Backend Developer

Skills

SQL QueriesJavaMicroservicesSpring BootOracle DatabaseOracle

2 months ago

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Important information


Contract type:

Permanent

Location:

Brussels, Belgium

Work mode:

Remote

Published on:

31 August 2026

What they need


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

What will you be doing in this role:

  • Implement new features while maintaining and optimizing the existing project.
  • Design and implement integrations between microservices.
  • Build RESTful APIs to support frontend applications.
  • Work closely with the team in an Agile/Scrum environment to develop new features and find solutions to existing issues.
  • Create Proofs of Concept (PoCs) to accommodate new design changes.
  • Assist with application deployments to production and provide technical support to application clients.

Requirements

What will you be bringing to the team?

  • Master's degree in IT with minimum 4 years of relevant experience (or Bachelor's degree and minimum of 7 years relevant experience).
  • Strong experience with Java, with a solid understanding of software development principles.
  • Hands-on experience with Spring Boot and Spring Framework.
  • Good knowledge and practical experience with Web Services and REST APIs.
  • Experience working with Oracle Database and PL/SQL.
  • Strong understanding and application of software development best practices.
  • Experience with unit testing and integration testing.
  • Good knowledge of Relational DBMS.
  • Good knowledge of business process analysis.
  • Knowledge of interoperability technology (web services, message oriented middleware, service oriented bus, event architecture).
  • Knowledge of code versioning tools such as Git or SVN.

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.

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