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I am an experienced Senior COBOL Developer and Team Leader with over 25 years of backend IT analysis and development in the banking sector. I have led large-scale digital transformation projects for top financial institutions in Greece, working across IBM i (AS/400) and IBM Mainframe environments. I excel at designing, developing, and integrating business applications while ensuring their technical feasibility and sustainability. As an IT Analyst, I guide projects from requirements through deployment, maintain robust on-call production support, and strive to deliver reliable, scalable solutions that align with client goals and enhance operational efficiency.…I am an experienced Senior COBOL Developer and Team Leader with over 25 years of backend IT analysis and development in the banking sector. I have led large-scale digital transformation projects for top financial institutions in Greece, working across IBM i (AS/400) and IBM Mainframe environments. I excel at designing, developing, and integrating business applications while ensuring their technical feasibility and sustainability. As an IT Analyst, I guide projects from requirements through deployment, maintain robust on-call production support, and strive to deliver reliable, scalable solutions that align with client goals and enhance operational efficiency.

Paris K. Exintaris

Full Stack Developer, Web Developer, Programmer, +2

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I am an experienced Senior COBOL Developer and Team Leader with over 25 years of backend IT analysis and development in the banking sector. I have led large-scale digital transformation projects for top financial institutions in Greece, working across IBM i (AS/400) and IBM Mainframe environments. I excel at designing, developing, and integrating business applications while ensuring their technical feasibility and sustainability. As an IT Analyst, I guide projects from requirements through deployment, maintain robust on-call production support, and strive to deliver reliable, scalable solutions that align with client goals and enhance operational efficiency.…I am an experienced Senior COBOL Developer and Team Leader with over 25 years of backend IT analysis and development in the banking sector. I have led large-scale digital transformation projects for top financial institutions in Greece, working across IBM i (AS/400) and IBM Mainframe environments. I excel at designing, developing, and integrating business applications while ensuring their technical feasibility and sustainability. As an IT Analyst, I guide projects from requirements through deployment, maintain robust on-call production support, and strive to deliver reliable, scalable solutions that align with client goals and enhance operational efficiency.

Available to hire

I am an experienced Senior COBOL Developer and Team Leader with over 25 years of backend IT analysis and development in the banking sector. I have led large-scale digital transformation projects for top financial institutions in Greece, working across IBM i (AS/400) and IBM Mainframe environments. I excel at designing, developing, and integrating business applications while ensuring their technical feasibility and sustainability.

As an IT Analyst, I guide projects from requirements through deployment, maintain robust on-call production support, and strive to deliver reliable, scalable solutions that align with client goals and enhance operational efficiency.

Skills

SQL

DB2

PL/I

Experience Level

SQL

Expert

DB2

Expert

PL/I

Expert

Language

Greek, Modern

Fluent

English

Advanced

Work Experience

Team Leader, Senior IT Analyst, and Software Development Supervisor at Accenture of Athens Greece

November 30, 2024 - July 10, 2025

Managed a team of 12 people and successfully led development teams utilizing IBM i Series system for two major projects: Alpha Bank's WS10- CDS/SIGLO Transformation Project and Piraeus Bank’s Smart Cashing Teiresias Project. These projects focused on enhancing core banking services with advanced technologies and streamlined processes, improving efficiency, security, and client satisfaction.

Team Leader/Senior IT Analyst and Software Engineer at National Bank of Greece

December 31, 2021 - July 10, 2025

Developed IBM mainframe system applications for core banking processing and payments using COBOL, PL/I, JCL, MQ, SQL, and DB2 on z/OS. Utilized IBM i series (AS/400) technologies for credit-debit card transactions and payments processing. Directed the full development lifecycle and handled on-call support for production incidents with confidence.

Team Leader/Senior IT Analyst Programmer IT at Athens Exchange Group [Greece]

June 30, 2004 - July 10, 2025

Led the development of business process management software for the Athens Stock Exchange Trading System, managing the full software development lifecycle. Lead developer for the Stratus TCAM system in collaboration with partners in Boston, USA. Mentored junior developers to boost teamwork and improve processes.

Team Leader, Senior IT Analyst, and Software Development Supervisor at Accenture of Athens Greece

November 1, 2024 - September 27, 2025

Led development teams utilizing IBM i Series system for two major banking transformation projects: Alpha Bank's WS10 - CDS/SIGLO Transformation and Piraeus Bank’s Smart Cashing Teiresias. Coordinated cross-functional collaboration, delivered backend COBOL/ILE solutions on IBM i, and integrated mainframe components. Improved loan disbursement workflow, reduced processing times, and strengthened security and payment processing to enhance client satisfaction.

Team Leader / Senior IT Analyst and Software Engineer at National Bank of Greece

December 1, 2021 - September 27, 2025

Crafted transformative IBM mainframe system applications for core banking processing and payments (COBOL, PL/I, JCL, MQ, SQL, DB2 on z/OS). Leveraged IBM i series (AS/400) technologies (COBOL ILE, SQL) for processing credit-debit card transactions and payments. Directed the full development lifecycle from requirements through deployment and provided on-call production support.

Team Leader / Senior IT Analyst Programmer IT at Athens Exchange Group

June 1, 2004 - September 27, 2025

Led the development of business process management software for the Athens Stock Exchange Trading System. Served as lead developer for the Stratus TCAM system in collaboration with partners in Boston, USA. Mentored junior developers to enhance teamwork and improve processes.