Java Full-Stack Developer

At Uni Systems, we are working towards turning digital visions into reality. We are continuously growing and we are looking for a professional Java Full-Stack Developer to join our UniQue Brussels team

What will you be bringing to the team?

• Develop and maintain front-end and back-end website architecture, including responsive applications.
• Design user interactions, APIs, and scalable software solutions.
• Implement core business logic, servers, databases, and components to support functionality.
• Analyze and model data; develop data processing pipelines.
• Ensure security, data protection, and application integrity.
• Write clean, functional, and maintainable code across the stack.
• Test, debug, and continuously improve software, with a focus on automation.
• Participate in technical design, architecture discussions, and project leadership as needed.
• Collaborate with business analysts, users, project leaders, and other technical teams.
• Compile, analyze, and optimize code, processes, and data for efficiency and performance.
• Produce clear technical documentation and support operational procedures.
• Leverage existing services and components to build policy-supporting systems.

What do you need to succeed in this position?

• Minimum 5 years of experience in Java, JPA, and SQL.
• Strong knowledge of front-end technologies: JavaScript, HTML, CSS, and frameworks such as AngularJS.
• Strong knowledge of back-end technologies: Java, EJB/Spring, JPA/Hibernate.
• Experience with database technologies such as Oracle or MySQL.
• Excellent understanding of enterprise design patterns and application architecture.
• Proficient in API design, application security, cloud platforms, and application deployment.
• Experience with CI/CD tools, code versioning (Git, SVN), and data processing.
• Ability to give business and technical presentations and adapt to fast-changing technologies.
• Excellent technical documentation skills and fluency in English (C2 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 Diversity, Equality & Inclusion Policy for more information.