IBM Mainframe, Cobol Application Developer

5/2002 – 4/2008

Production Support for Omni Batch cycles. Fixing all severity levels of abends within defined Service Level Agreement.
Interaction with business users for System support activities resolving recurring production abends
Involved in end-to-end software development life cycle, which includes requirements gathering, high-level design, build, testing and review, implementation and production support.
Batch Cycle Optimization – Reduced batch window from 8 hours to 5 hours.
Implement backup and recovery procedures for batch failures

CICS (Customer Information Control System), COBOL, IBM DB2

10/1999 – 4/2002

Lead development and maintenance of COBOL/JCL/DB2-based applications.
Analyze business requirements, design technical specifications, and implement robust solutions with minimal defects.
Developed and maintained batch jobs and CICS online applications
Coordinated with QA teams for unit testing, System testing and UAT support
Mentor and guide a team of developers, conduct code reviews, and ensure adherence to best practices

IBM DB2, Cobol-Entwickler, CICS (Customer Information Control System)

5/1997 – 9/1999

Preparation of technical specifications, Program specifications, Unit test plan and System documentation
Design, Coding, Code Reviews
Unit testing, Test reviews, Integration Testing, Defect logging.

IBM DB2, Cobol-Entwickler, CICS (Customer Information Control System)