Sneka Kandasamy
Experienced Mainframe Senior Developer with over 10 years of hands‑on experience building and supporting enterprise banking applications using COBOL, JCL, DB2, CICS, and VSAM. Strong domain expertise in credit card and debit card transaction systems, including secure, high‑volume processing and complex financial workflows. Skilled in managing the full development cycle — from requirements analysis and design to coding, testing, DevOps deployment, and production support.
Known for delivering clean, reliable code, solving technical challenges, and improving system performance through careful analysis and optimization. Experienced in Agile environments, using ALM, QA, and Jira to plan sprints, track progress, and support continuous improvement. Recognized for clear communication, teamwork, and a steady, detail‑oriented approach to delivering high‑quality mainframe solutions that meet business needs and enhance system stability.
Work History
Lead Mainframe Developer
6 Years 5 Months- Senior Mainframe Developer expertize in Banking domain (CITI Bank).
- Analyzed client requirements, designed and implemented complex mainframe applications using COBOL, JCL, CICS, VSAM.
- Contributes to releases with high quality code and unit tests.
- I have worked as a part of development of Finsim Integration tool to test credit card applications which was widely used throughout the project teams.
- Created a detail knowledge sharing document on how to use the Finsim testing tool to work efficiently and have given multiple KT session to every team on the same.
- Created a auto run test cases script for regression testing which needs to be done for every release, which reduced manual work by 50%.
- Expertize in Changeman, ServiceNow and JIRA.
- Collaborated with cross-functional teams to troubleshoot and resolve production issues.
- Mentored junior developers, fostering skill growth and enhancing team performance.
- Implemented agile methodologies, improving project efficiency and team collaboration.
- Conducted code reviews and quality assurance processes, ensuring adherence to coding standards and best practices.
- Received many rewards and appreciation for the high quality work.
Senior Software Engineer
4 Years 4 Months- Mainframe developer expertise in banking domain (CITI Bank - Core Banking and Wealth Management applications).
- Analyzed, developed, implemented code in COBOL, JCL, DB2, VSAM, CICS and supported as L3 main contact person to resolve abends during everyday batch run and during production releases.
- Maintained comprehensive documentation of development work, facilitating knowledge sharing among team members.
- Worked in L3 support role in both online and batch for a year.
- Followed SDLC and agile methodologies throughout.
Education
Master of Science - Information Technology
Bachelor of Science - Information Technology
Skills
Accomplishments
Attended a Finsim testing tool development workshop, gained knowledge, integrated the tool for day to day unit testing in the project. Knowledge transfer to everyone in the team which improved quality of work time by 25%
Created a automation script in Finsim tool for regrssion testing and was used widely for every production release which reduced manual testing work by 50%
Languages
Software
- COBOL
- JCL
- DB2
- CICS
- VSAM
- Easytrieve