Headline

Mainframe Developer at Photon| Senior Mainframe Developer | Certified Cloud Digital Leader | Mainframe COBOL │ DB2 │ JCL Expert

About

➽Highly skilled and experienced software engineer with a strong background in Mainframe technologies, including COBOL, JCL, DB2, and VSAM with a solid understanding of banking, insurance, credit card processing, and health insurance domains. ➽Proficient in maintaining, supporting, and monitoring applications, with expertise in Mainframe tools including CONTROM-M, File Manager, SORT, FILEAID, and IBM Utilities. ➽Proven track record of successfully developing high-quality code fixes and enhancements for monthly releases, and extensive experience in collaborating on all stages of the Software Development Life Cycle, from requirements gathering to production releases. ➽Experienced in delivering high-quality code fixes and enhancements for monthly releases, collaborating across the entire software development life cycle. ➽Proficient in creating and implementing automation solutions using REXX and COBOL programs, enhancing productivity and efficiency. ➽Experienced in providing 24/7 on-call support and leveraging strong problem-solving abilities to resolve complex issues. ➽Excellent communication and interpersonal skills, adept at effectively collaborating with clients, onsite coordinators, managers, and cross-functional teams. ➽Committed to staying updated with emerging technologies and industry trends to enhance technical skills and drive innovation. Contact: nirmalrajsubramanian3@gmail.com

Location

India

AI stack

elevenlabs

n8n

openai

githubcopilot

Work experience

Senior Software Engineer II at Photon, May 2025 - Present · 1 yr 6 mos

Mainframe COBOL Developer at Nityo Infotech, Dec 2023 - Dec 2024 · 1 yr 1 mo, Malaysia, Client: Public Bank Project: Unicard Migration ● Worked on migration project of entire credit card system including issuing and acquiring modules ● Worked on converting unicard Unisys code to cobol . ● Worked on statement, EPIF processing (CHEQ payment and repayment modules) and interest calculation modules ● Worked on creating multiple cobol programs, JCL's, table creation,vsam files and CICS online programs. ● Collaborating with clients, onsite coordinators/managers, and the QA team for successful production releases ● Demonstrating expertise in Mainframe technologies, including COBOL, JCL, DB2, and VSAM ● I have worked on multiple report creation programs according to the client requirements. ● Worked on creating CICS online programs for multiple screen functions.

Application Development Senior Analyst at Accenture, Apr 2022 - Nov 2023 · 1 yr 8 mos, Bengaluru, Karnataka, India, ➽Coding the PROC’s, COBOL programs for fetching the required data and scrambling the sensitive data and copying into the test regions. ➽Responsible for analyzing Production issue or incidents and resolving them with code fix. ➽Good exposure to the onsite-offshore model where in we interact with clients and Onsite coordinators/managers. ➽Working closely with clients and QA team until the production release is done and code is implemented successfully. ➽Performed Root Cause Analysis to identify the cause of production issues.

Senior Engineer at Mindtree, Jan 2021 - Apr 2022 · 1 yr 4 mos, Bengaluru, Karnataka, India, ➽Worked on permanent resolution on job abends. Worked on JCL SORTs, Utility programs and COBOL file handling. ➽Worked on creating REXX and EASYTRIEVE programs for small changes and implementations. ➽Troubleshooting and fixing production issues. ➽Analyzed the job logs and resolved production abends, performed impact analysis to resolve user queries. ➽Worked on Incident/Change/Problem management ensuring there are no SLA breaches with respect to acceptance and resolution. ➽Provided 24/7 on‑call support to client, other vendors, Technical teams and Users. Proactively monitored the application processes. ➽Supporting development team in application releases and fixes. Incident trend analysis to identify repetitive issues and find permanent solution. ➽Recreating different statement and business files, if there is a miss from business team. Handling ORE/MIM bridge meeting for major issues.

Engineer at Mindtree, Jul 2018 - Jan 2021 · 2 yrs 7 mos, Bengaluru, Karnataka, India, ➽Involved in Developing code fixes and enhancement for inclusion in releases that happens every month. ➽Collaborated on all stages of software development life cycle from requirements gathering to production releases. ➽Built, tested, and deployed jobs. ➽Worked on JCL SORTs, Utility programs, Cobol file handling and running queries on DB2 tables. ➽Helped the team in resolving complex issues. ➽Worked on creating JCL and COBOL programs issues. ➽Analyzed the job logs and resolved production abends, performed impact analysis to resolve user queries.

Education

Bachelor's degree, Electrical and Electronics Engineering, sri krishna college of engineering and technology