Keshava Reddy S

At Zions Bancorporation, I supported and enhanced core banking systems running on Mainframe platforms, focusing on stability, accuracy, and regulatory compliance. I worked on improving COBOL/JCL programs, optimizing batch cycles, and ensuring seamless end-to-end processing for critical financial operations. My responsibilities included analyzing requirements, resolving production issues, and implementing system improvements with a strong emphasis on quality. I collaborated with cross-functional teams to support upgrades, risk controls, and audit-driven enhancements. This experience strengthened my expertise in secure, high-performance banking applications and enterprise-level Mainframe solutions.

I worked as a Mainframe Developer for Humana, supporting critical healthcare applications that manage member eligibility, claims processing, and policy administration. My role involved enhancing COBOL/JCL programs, optimizing batch processing, and ensuring high-quality system performance. I collaborated with cross-functional teams to analyze requirements, resolve production issues, and implement scalable solutions. I also contributed to modernization efforts and process improvements to increase system reliability. Through this experience, I developed a strong understanding of healthcare domain workflows and compliance standards.

I worked as a Mainframe Developer for Citi Bank, supporting key banking applications related to payments, transactions, and account processing. My responsibilities included enhancing COBOL/JCL programs, improving batch performance, and ensuring the stability of high-volume financial systems. I collaborated closely with business and technical teams to gather requirements, fix production issues, and deliver reliable solutions. I contributed to process optimization, system upgrades, and regulatory compliance initiatives. This experience strengthened my understanding of banking operations, risk controls, and secure financial system development.

At Lowe’s, I contributed to the stability and enhancement of core retail and merchandising systems built on Mainframe technology. I worked on improving COBOL/JCL workflows, optimizing batch jobs, and supporting daily operations that impact store performance nationwide. My role involved troubleshooting production issues, refining system logic, and ensuring smooth data flows across business functions. I collaborated with teams across IT, inventory, and supply chain to deliver reliable, high-quality solutions. This experience strengthened my ability to support large-scale retail applications with efficiency and precision.