Java SE / Java EE Engineer

B3 Consulting Poland is a Polish outsourcing company with Scandinavian roots, focusing on digital innovation and long-term cooperation. They value trust, responsibility, and quality, and are seeking a Java SE / Java EE Engineer to join their team.

Location: Poland

Responsibilities

• Develop and maintain a complex Java application
• Enhance existing functionalities and extend the system with new business contexts
• Refactor legacy code to build shared, reusable solutions
• Implement new features mainly in Java SE, with occasional Java EE development
• Integrate applications with databases
• Take responsibility for code quality and testing (create and maintain unit tests; contribute to integration tests)

Requirements

• Commercial experience with Java SE (Java 17) in a large codebase
• Experience with Java EE / J2EE (WildFly, Hibernate)
• Database experience (PostgreSQL or Oracle)
• Unit testing experience (JUnit and/or Selenium)
• Ability to read, understand and refactor existing code
• English and Polish level B2+

Benefits

• Health & sports benefits adjusted to your needs
• Free running and swimming trainings (Warsaw)
• Internal triathlon team and joint sports competitions
• Individual development paths to deepen your technical expertise
• Cyclical initiatives supporting growth in other IT domains, beyond your main stack