Java Engineer/Business Aspect

Upcom

📍 Athens, Attica, Greece

Full Time Computer Occupations Posted February 20, 2026

Job Description


We are seeking a highly skilled and experienced Full Stack Java Engineer to join our growing team. for a government’s long-term project. This role is about taking the lead in maintaining, enhancing, and ensuring the reliability of existing Java-based enterprise applications and have ownership of the Business aspect. You will be responsible for understanding the system inside and out, acting as the go-to person for its ongoing performance, stability, and technical improvements.


Key Responsibilities:



  • Take ownership of an existing Java-based application, ensuring high performance, reliability, and long-term maintainability.

  • Maintain and enhance Java-based enterprise systems with a strong focus on scalability and stability.

  • Design and optimize Oracle queries for high-efficiency data manipulation.

  • Maintain and improve RESTful an...