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Location
Hybrid (Athens, Greece)
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 16, 2026. First seen by Alion on Oct 16, 2026. Uni Systems scores A on the Alion truth index.

Overview
Company
Impact
Profile match
Uni Systems is a Greek information technology company founded in 1964 and based in Athens. It delivers large system integration and software projects for European institutions and enterprises. The company is part of the Quest group and operates across Europe.

At Uni Systems, we are working towards turning digital visions into reality. We are continuously growing and looking for a Java Engineer to join our UniQue Public Administration and Enterprise Projects team.

In this role, you will have the opportunity to work closely with our customers in the public sector and you will be responsible for developing applications and implementing new technologies while providing excellent client service.

Our UniQue people come from a variety of backgrounds and industries, with different skillsets and approaches, but they all have one thing in common: a passion for technology and innovation!

For the Java Engineer position, we expect you to:

  • Work as part of a skilled development team on the analysis, design and implementation of Java-based solutions for our customers
  • Develop, maintain and enhance existing software applications, identifying areas for improvement and modification
  • Collaborate closely with client and internal teams to understand and implement business requirements
  • Produce and maintain technical and system documentation
  • Contribute to the technical analysis and implementation of solutions, working alongside more experienced team members when needed
  • Participate in code reviews, testing and troubleshooting, contributing to the overall quality of the delivered software
  • Actively collaborate with the team, share knowledge and continuously develop your technical skills

Requirements

What do you need to succeed in this position?

Your experience, technical skills and willingness to grow will help you succeed in this position.

We would like you to have:

  • 3+ years of professional experience in software development, with at least 2 years of hands-on experience with Java-based solutions, such as Java EE, Spring Framework, Spring Boot and Spring Data
  • Good knowledge of Java, object-oriented programming and dependency injection
  • Good understanding of ORM frameworks, such as Hibernate or EclipseLink, and JPA
  • Hands-on experience with RESTful web services; experience with SOAP will be considered a plus
  • Good understanding of design patterns and software development best practices
  • Familiarity with authentication and authorization standards, such as OAuth2 and JWT
  • Experience with code quality practices, automated testing and test coverage
  • Good knowledge of relational databases, preferably Oracle
  • Experience with Java EE Application Servers, such as WebLogic or WildFly
  • Good analytical and problem-solving skills
  • The ability to work independently on assigned tasks and collaborate effectively within a development team
  • A passion for software development and continuous learning
  • A collaborative mindset and the ability to maintain professionalism in a team environment
  • A University/College degree in Computer Science or a related field, or equivalent professional experience

The following will be considered an asset:

  • Experience with frontend development frameworks, such as React
  • Familiarity with distributed and modular architectures
  • Familiarity with Elasticsearch
  • Familiarity with Enterprise Integration frameworks, such as Apache Camel
  • Familiarity with Jenkins and CI/CD practices
  • Experience with PL/SQL

Benefits

What are we offering to our UniQue IT people?

  • People-first approach and open environment to express your ideas
  • Work-life balance and a hybrid work model
  • Continuous training and development
  • Opportunities to join innovation initiatives
  • Ticket restaurant - meal vouchers
  • Corporate laptop and equipment
  • Corporate mobile phone subscription
  • Health and insurance plan for you and your family members
  • Employee consulting and guidance support by Ergonomia
  • Discounts on the services and products of our Group’s companies
  • Gift vouchers for major life milestones
  • Special work schedule on summer Fridays and birthdays

Our UniQue IT people are the most valuable part of Uni Systems; their knowledge and experience has made us the leading and reliable systems integrator of today and has contributed to our steady financial growth. We have created and are maintaining a stable working environment for our employees, with countless opportunities to innovate and thrive. Our work culture recognizes our UniQue IT people, supports the free sharing of ideas and the flow of information via open communication, while appreciating and effectively utilizing the talents, skills and perspectives of each employee.

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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