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Software Engineer @Cognity
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WORK HISTORY
Software Engineer @Cognity
Athens, GR
Client: National Bank of Greece• Design, develop, and maintain robust banking APIs serving thousands of daily transactions• Lead end-to-end development and ownership of the Enterprise Resource Planning (ERP) API across multiple versions, ensuring seamless integration with core banking systems• Participate in technical decision-making processes, providing expertise on API design patterns and system integration strategies• Implement performance monitoring solutions resulting in faster response times and improved system reliability• Collaborate with cross-functional teams to deliver mission-critical banking solutions within strict regulatory requirements• Advanced from Operations Specialist role to Software Engineer, managing complete API lifecycle including testing, debugging, troubleshooting, and issue resolution
EDUCATION
Ionian University
Bachelor of Science - BS
European University Cyprus
Master of Science - MS
ABOUT VASILEIOS CHATZIS
Experienced.NET Software Engineer with 3+ years at National Bank of Greece, specializing in API development for mission-critical financial systems. Expert in designing and maintaining banking APIs including comprehensive ERP API solutions handling thousands of daily financial transactions. Proven track record in end-to-end API development lifecycle, from regulatory compliance design to production deployment. Currently expanding expertise in AI and Machine Learning through postgraduate studies.
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