Detail-oriented and results-driven Mainframe Developer with over 6 years of hands-on experience in COBOL, JCL, DB2, CICS, and VSAM. Proven expertise in developing, maintaining, and optimizing mainframe applications in banking and financial domains. Adept at production support, performance tuning, and end-to-end SDLC involvement. Seeking to leverage my technical proficiency and domain knowledge to contribute to innovative and high-performance solutions at a forward-thinking organization.
· Executed all phases of Software Development Life Cycle using Agile methodology, from high-level design to system testing.
· Developed High-Level and Low Technical Design Documents based on specifications from Business Systems Analyst.
· Reviewed technical specifications and actively participated in meetings to ensure alignment. Conducted impact analysis to identify necessary code modifications.
· Performed coding for Cobol-DB2 modules to meet project requirements. Utilized IBM utilities such as DFSORT, IEBGENER, and IDCAMS for job creation based on specifications. Employed JCLs, PROCs, PARMs, and Loads for application deployment.
· Created unit test plans and executed thorough unit testing.
· Work with business user to get the requirements on production issues of payment messages
· Worked on the root cause analysis and share with the business users for decommissioning modules
· Preparing Technical Design Doc as per root cause and resolution for problem tickets
· Participated in technical design walkthrough meetings
· Working on performance improvement initiatives
· Implementing Code in Production using version control tools
· Providing fix in case of abends or defects
· Analysed the defects for every month and proposed new measures to prevent them in future
· Monitoring the tickets & remedy tool control
· Prepared Technical Design Doc as per Business need in enhancement and development of projects
· Coding and Unit Testing
· Provided Fix in case of defects or change control in system testing and UAT phase
· Worked with Business system analyst in case of new change control is raised to understand of need of it. Implemented Code in Production using version control tools.
· Implemented the code in production with Endevor
· Monitoring Batch cycle execution
· Handled tickets on basis of their Severity and meeting the SLAs
· Created Business Checkouts which required Sending Daily Reports to business
· Handled Abends occurred during Jobs execution and giving the temporary solution to the problem