Summary
Overview
Work History
Education
Skills
Websites
Accomplishments
Timeline
Generic

Gazanfar Gaffar

MAINFRAME DEVELOPER
Jaipur

Summary

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.

Education

M.Tech - Electronics & Communication

Chandigarh University
Chandigarh, India
01.2023

B.Tech - Electronics & Communication

SNDT Women's University
Mumbai, India
01.2021

Higher Secondary - Science

Govt GHSS
Srinagar, India
04.2001 -

Skills

COBOL programming

Accomplishments

  • Recognized at TCS for automation initiatives that reduced manual reporting effort by 40% and boosted delivery efficiency by 30%.
  • Delivered zero-defect Core Banking modules (CIBIL, NPA, Loan Processing, DMR) in production, ensuring smooth compliance and financial operations.
  • Achieved 20% reduction in batch runtime through COBOL-JCL performance tuning, enabling faster end-of-day processing for critical banking transactions.
  • Resolved and optimized 50+ high-severity incidents annually with 100% SLA compliance, strengthening system reliability.
  • Consistently appreciated for cross-team collaboration and driving Agile delivery cycles, reducing release timelines by 15%.
  • Honored by shri PM for academic excellence (PMSSS) in 2017.

Timeline

System Engineer (Mainframe Developer)

Tata Consultancy Services
12.2021 - Current

Higher Secondary - Science

Govt GHSS
04.2001 -

M.Tech - Electronics & Communication

Chandigarh University

B.Tech - Electronics & Communication

SNDT Women's University
Gazanfar GaffarMAINFRAME DEVELOPER