Java Developer
Uni Systems· International BU
About this role
At Uni Systems, we are working towards turning digital visions into reality. We are continuously growing and we are looking for a professional Java Developer to join our UniQue Luxembourg team.
What will you be bringing to the team?
- Migrate and rewrite aGWT (Google Web Toolkit) application to the latest version of Angular, ensuring a smooth transition, performance optimisation, and adherence to best practices.
- Analyse requirements and work with analysts to clarify functional specifications.
- Develop technical specifications in line with technical standards and quality requirements.
- Participate in functional working groups and progress meetings.
- Develop unit and integration tests, including test suites, plans and programs.
- Prepare technical and user documentation.
- Assist with system deployment and configuration.
- Provide application support and investigate issues, including3rd-level support.
- Participate in Agile/Scrum activities and collaborate with international and multicultural teams.
What do you need to succeed in this position?
- Bachelor’s degree preferably in Computer Science or Software Engineering and 8+ years of professional experience in software development.
- Strong experience in Java/J2EE (7/8/11) and enterprise application development.
- Strong knowledge of JPA and caching mechanisms.
- Strong knowledge of the Java enterprise stack, including:
- Angular
- GWT
- Spring Boot
- Spring MVC
- Spring JMS
- Good knowledge of Oracle 11g/18 and relational databases.
- Experience with software development lifecycle and methodologies used in large-scale organizations.
- Knowledge of software design patterns and UML.
- Experience developing large-scale Web 2.0 applications using J2EE technologies is an advantage.
- Experience with Agile/Scrum; knowledge of PMBOK or PRINCE2 is an advantage.
- Strong communication, coordination, analytical and problem-solving skills.
- Experience in IT projects in the translation field is an advantage.
- Good knowledge of English and/or French; knowledge of another EU language is an advantage.
- Experience working with European Institutions is an advantage.
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.
Frequently Asked Questions
Is the salary disclosed for the Java Developer position at Uni Systems?
The salary for this Java Developer role at Uni Systems is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Java Developer position at Uni Systems located?
This Java Developer role at Uni Systems is based in Luxembourg, Luxembourg, Luxembourg. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Java Developer role at Uni Systems full-time or part-time?
This is listed as a Full time position. It is posted as a Java Developer role in the International BU department at Uni Systems.
Which team or department does the Java Developer at Uni Systems belong to?
This Java Developer position is part of the International BU department at Uni Systems. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Java Developer position at Uni Systems?
Click the "Apply Now" button on this page. You will be redirected to Uni Systems's official application portal hosted on workable where you can submit your application directly.
When was the Java Developer job at Uni Systems posted?
This Java Developer position at Uni Systems was posted on Sep 28, 2026. Apply as soon as possible — early applications are often reviewed first.
Java Developer
Uni Systems
You'll be redirected to Uni Systems's official application page on workable.