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Uni Systems

Java Backend 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?

  • Development of back-end website applications
  • Integration of user-facing elements developed by a front-end developers with server side 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
  • 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 and write technical documentation

Requirements

What do you need to succeed in this position?

  • Master's degree in IT field with minimum of 13 years of relevant experience (or Bachelor's degree with minimum of 17 years of relevant experience)
  • At least 10 years of specific expertise in J2EE Java, with SPRING framework, WebLogic and API/REST/SOAP
  • Minimum of 10 years of experience in SQL/PLSQL
  • Strong experience in data modelling and database design techniques and tools (e.g. SQL Developer Data Modeler, Hackolade, NoSQL Workbench)
  • Strong experience in development tools (e.g. Oracle SQL Developer) and relational database systems (e.g. Oracle)
  • At least 1 year experience with NODE and Subversion/Git
  • Previous experience with Agile methodology
  • Exposure in front-end technologies (i.e. Angular, HTML5, CSS, XML, JavaScript, JQuery)
  • Excellent English (C-level, written and spoken)

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.

Key Skills

Ranked by relevance

sql javascript angular storage oracle server nosql html5 java j2ee css xml c
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Posted
Sep 22, 2025
Type
Full-time
Level
Mid-Senior
Location
Brussels

Industries

Technology Information Internet

Categories

Engineering

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