Joselito Goncalves dos Santos
Software Engineer @F1RST Digital Services
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WORK HISTORY
Software Engineer @F1RST Digital Services
Company providing digital banking and payment processing solutions.• Developed and optimized payment processes for Visa and Mastercard, improving operational throughput by 25%, optimizing financial operations in Banco Santander\'s Credit and Debit Card Division using Cobol DB2 and Easytrieve. Led SFTP Visa Protocol implementation, automating 100% of batch processes with JCL, reducing manual intervention and managing deployments with Changeman using TSO.• Implemented dispute/chargeback processes, reducing chargeback resolution time by 30% in a Mainframe environment with Cobol DB2 for data management and Easytrieve for report generation. Utilized IDCAMS, Icegener, Sort, and Repro for data manipulation and analysis. Leveraged Mastercom Collaboration to enhance communication among stakeholders, reduce chargeback volumes, and lower associated costs.• Contributed to the development of the Installment Credit Project along with Visa and Mastercard, applying Cobol DB2 and JCL to introduce new financing modalities. Automated key processes using Sort and Icegener, increasing processing efficiency and supporting 20% growth in transaction volume, increasing transaction volumes and positioning the bank as a market pioneer.• Spearheaded the DMC (Mastercard Debit) Card implementation, transitioning from Single Message to Dual Message processing using Cobol DB2 and managing version control with Changeman. Ensured global standards compliance while enhancing loyalty programs and portfolio strategies.• Supported launching the Select Global Card, leveraging Cobol DB2 for seamless transaction management. Expanded Santander\'s international presence by providing customers with a competitive global debit solution featuring automated transfers and currency conversion.
EDUCATION
Faculdades Associadas de São Paulo
Bachelor of Technology (B.Tech.)
Scrum.org (Credential #560313)
PSM I – Professional Scrum Master I
ABOUT JOSELITO GONCALVES DOS SANTOS
Software Developer with extensive expertise in the credit card industry, particularly in…
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