Mainframe Team Lead and Senior Developer with 12+ years of enterprise experience, including 2+ years integrating AI/ML capabilities with mainframe modernization initiatives. Proven expertise in IBM Z/OS, CICS, DB2, VSAM,…
Mainframe Team Lead and Senior Developer with 12+ years of enterprise experience, including 2+ years integrating AI/ML capabilities with mainframe modernization initiatives. Proven expertise in IBM Z/OS, CICS, DB2, VSAM, IMS, COBOL, PL/I, and JCL, delivering performance improvements of up to 30% across Banking, Financial Services, Telecom, Retail, and Automotive domains. Recognized for leading complex delivery programs, modernizing legacy platforms, stakeholder management, and mentoring high-performing teams.
<p>Developed LSTM-based forecasting models and real-time APIs handling 2.5M records/hour on Z/OS systems<br>
Increased risk model accuracy by 20% through advanced CICS transaction data integration<br>
Led performance tuning of DB2 queries and JCL batch jobs, reducing runtime by 15%</p>
<p>Built time series forecasting models (Prophet, ARIMA, LSTM/GRU) for multi-currency cash flow predictions<br>
Worked on MCF TLA system with EOD/Intraday jobs; documented KEDB database and managed incidents in ServiceNow<br>
Improved forecasting reliability by ~15% with automated Tableau/Web Focus reporting dashboards</p>
<p>Built NLP models for automatic PII field identification; worked on Voltage utility (RMZVOLT) for encrypting PII fields<br>
Implemented anomaly detection for security breach prevention; proposed DFSORT best practices for encryption<br>
Strengthened data security posture and ensured regulatory compliance for First Data credit card processing</p>
<p>Built predictive models for booking demand and capacity optimization in cargo logistics workflows<br>
Enhanced GST tax line engine programs; performed code coverage testing and fault finding<br>
Reduced reconciliation issues by ~18% and improved operational accuracy for logistics management</p>
<p>Built classification models for token activity prediction; implemented clustering for customer segmentation<br>
Worked on Token Purge processes using CRN sorting for Digital Wallet Token Profile management<br>
Reduced inactive token footprint by ~30% through process improvement, lowering operational overhead</p>
<p>Built anomaly detection models for data integrity validation during TSYS to TRIUMPH card platform migration<br>
Mapped Products, Accounts, and Transactions between platforms; executed system test plans using PL/I<br>
Successfully migrated millions of Sky Card accounts with minimal disruption, achieving platform consolidation</p>
<p>Built predictive models for project timeline and cost estimation, NLP models for requirement analysis automation<br>
Led team of developers on Payroll processing system delivering enterprise project management tool for AMEX<br>
Delivered ~$2M cost savings in Year 1 (growing to $4M by Year 4) with 47.1% IRR</p>
<p>Built time series models for inventory demand forecasting, pricing optimization and warranty claim prediction<br>
Resolved L3 Remedy tickets and JCL abends in production support; managed VDIS-DDS-mainframe invoice integration<br>
Improved system stability and invoice processing accuracy for GM Vauxhall aftersales operations</p>
<p>Optimized ML pipelines integrated with mainframe workflows, improving processing time by 20%</p><p> Increased model accuracy by 18% through enhanced feature engineering and pipeline tuning</p><p> Automated monitoring dashboards and mentored team members on AI/ML architecture best practices</p><p> Collaborated on mainframe modernization strategy bridging legacy COBOL systems with modern ML services</p>
<p>Led a cross-functional ML platform initiative improving delivery efficiency by 25% and predictability by 30%</p><p> Built anomaly detection models on top of mainframe transaction data streams</p><p> Migrated batch mainframe workflows to modernized hybrid architectures; mentored a team of 6 developers</p>
The AI-first Recruitment Operating System that unifies and automates the entire hiring lifecycle for modern enterprises worldwide.
Dr Job FZ LLC. 2026 © All Rights Reserved
