Mainframe Senior Developer/System Analyst

8/2014 – 2/2017

▪ As a Technical Lead responsible for Analysis, design, development, testing and implementation of new implementations and upgrades for IBM Singapore customer The development bank of Singapore(DBS).
▪ Work with client closely to understand complex business requirements and provided workable solutions.
▪ Responsible for analyzing business requirements and preparing solution design/Technical designs for the development.
▪ Responsible to coordinate with other interfaces during design, development, testing and implementation phases.
▪ Worked as a lead for production support team and provided faster and feasible solutions for production issues.
▪ Involved in Quality processes like reviews, inspections and defect resolution and logging. ▪ Worked with account management closely to educate new team members and conducted functional and technical related training

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

12/2011 – 7/2014

▪ Responsible to provide accurate & timely estimations for maintenance & enhancement activities of the application.
▪ Analyze and develop the programs using Cobol, Cics, VSAM, Easytrieve, JCL as per the new business requirements.
▪ Responsible for creating the test plans and perform the unit test.
▪ Provide support and fix the defects raised during system test, SIT and UAT.
▪ Perform end to end testing on various complex CICS socket and background programs which are responsible in processing the transactions coming form web portals.
▪ Coordinate with other subsystems during development and system integration testing.
▪ Involved in production support and provided solutions to the complex and high severity productions issues.
▪ Responsible to provide Post implementation support.
▪ Responsible to handle quality processes like reviews, inspection and defect logging.

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

7/2006 – 11/2011

▪ Responsible to Develop the code based on technical designs, Prepare unit test plan, perform Unit testing, update Application specification documents(ASD) for the new business requirements by analyzing the solution and technical design documents.
▪ Performed peer reviews and helped fellow team members in understanding the new business requirements.
▪ Involved in resolving the defects raised during System Testing, SIT, UAT, PVT and Post Production Defects.
▪ Assessed on Production issues (ITAMs / Dockets) and produced the assessment document to fix the issues.
▪ Involved in 24*7 Production Support.
▪ Provided trainings to the new team members on the functional and technical aspects of the project.

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