Results-driven Mainframe Developer with 4 years of experience at TCS, specializing in COBOL, JCL, DB2, CICS, and VSAM on IBM z/OS. Proven track record in Core Banking Systems (CIBIL, NPA, Loan Processing, ATM, DMR), with achievements including 20% faster batch processing, 40% reduction in manual reporting effort, and 100% SLA compliance for high-severity issue resolution. Adept at delivering scalable, defect-free solutions and driving business growth through process automation and technical expertise.”
Overview
4
4
years of professional experience
Work History
System Engineer (Mainframe Developer)
Tata Consultancy Services
12.2021 - Current
Designed and delivered COBOL-JCL batch and CICS online applications for Core Banking modules (CIBIL, NPA, DMR, Loan Processing) with zero post-production defects.
Built compliance-driven solutions for PMSY/PMJY amendments, PACS integration, and reporting, ensuring regulatory adherence and business adaptability.
Optimized DB2 queries and restructured VSAM files, improving transaction throughput and reducing batch runtime by 20%.
Automated reporting workflows through JCL based batch job automation, cutting manual effort by 40% and boosting efficiency by 30%.
Developed reusable, stable components that strengthened system reliability and minimized recurring failures across banking applications.
Drove Agile delivery cycles in collaboration with QA and Business Analysts, shortening release timelines by 15% and reducing defect leakage.
Delivered multiple enhancements and modules in parallel, consistently meeting deadlines and maintaining high-quality, defect-free outcomes.
Applied strong problem-solving and root cause analysis during development and testing phases, ensuring system stability and minimizing production issues.
Assistant Delivery Manager at Tata Consultancy Services, Global Shared ServicesAssistant Delivery Manager at Tata Consultancy Services, Global Shared Services