We’re looking for a System Integration Engineer to support the performance and reliability of a large-scale Core Banking system for one of our clients in Greece. If you have solid technical knowledge, good communication skills, and enjoy working in cross-functional teams, this is a great opportunity to grow within a critical integration project.

🔧 Key Responsibilities:

• Actively contribute to the stress testing of the Core Banking infrastructure using JMeter 
• Assist in identifying and analyzing technical issues and defects 
• Collaborate closely with the Core Banking vendor and internal technical teams
• Review and understand code (in Java or C#) to follow the logic behind services
• Work alongside Database Administrators, supporting integration and data consistency

•  3–4 years of experience in a technical or integration role
• Ability to read and understand Java or C# code
• Hands-on experience or solid familiarity with JMeter 
• Good understanding of databases and the ability to communicate with DB teams
• Strong analytical skills and a proactive mindset

What’s in It for You?

• Be part of an international, dynamic, and innovative team.
• Work on impactful projects that redefine secure digital landscapes.
• Opportunities for career advancement and continuous learning.