Java Engineer

Uni Systems

Athens, Greece

Description

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

What will you be bringing to the team?

Design, develop, and maintain backend services using Java EE, Spring, or Quarkus
Develop and consume REST and SOAP web services in a service-oriented architecture
Implement ORM layers using JPA/Hibernate and write optimized queries for relational databases
Work in an Agile/Scrum environment, collaborating with cross-functional teams
Utilize Azure/AWS, Git, and Maven for version control and CI/CD
Write and maintain unit and integration tests, ensuring adequate code coverage and stability
Support application deployment on application servers (e.g., WildFly)
Participate in troubleshooting and resolving technical issues under supervision
Contribute to software documentation and system specifications

Requirements

What do you need to succeed in this position?

Bachelor’s degree in Computer Science, Engineering, or related discipline
3-5 years of professional experience in Java development
Good command of Spring, Java EE, or exposure to Quarkus
Experience with JPA, Hibernate and basic understanding of web service protocols
Familiarity with version control (Git), build tools (Maven), and CI tools (Jenkins or Azure DevOps)
Basic experience with relational databases
Working knowledge of Agile development and DevOps concepts
Familiarity with Front technologies such as REACT, Angular is a plus
Strong analytical mindset, willingness to learn, and team-oriented approach
Excellent command of English, both written and verbal

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