Harish R

Software Engineer with 3 years of experience delivering and supporting business-critical banking applications for JPMC in IBM z/OS environments. Experienced in Mainframe Development and L3 Application Support with expertise in COBOL, JCL, DB2, CICS, CI/CD practices, Agile delivery, and distributed system integrations. Strong experience across SDLC activities including requirement analysis, development, testing, deployment, production support, documentation, and stakeholder collaboration.

Software Engineer at Mphasis (2024-11 – Present)

Client: JPMC | Credit Card Rewards & Benefits Team

• Develop, enhance and maintain business-critical applications supporting customer rewards and benefits processing.
• Implement enhancements to COBOL, JCL, DB2 and CICS components based on business requirements.
• Create JCLs from scratch and write SQL queries for data analysis, validation and troubleshooting.
• Participate in end-to-end SDLC activities including requirement analysis, impact assessment, development, testing, deployment and post-implementation validation.
• Support API-driven and distributed architectures while troubleshooting Kafka-dependent downstream processes.
• Participate in production deployments and deployment validation activities.
• Actively contribute to Agile ceremonies including story estimation, sprint planning, backlog refinement and daily standups.
• Review Bitbucket Pull Requests/Merge Requests and create Confluence documentation.
• Mentor team members and collaborate with offshore teams, stakeholders and clients.

Mainframe L3 Application Support Engineer at Mphasis (2023-05 – 2024-10)

Client: JPMC | Chase Card Core (C3)

• Provided L3 production support for enterprise banking applications in IBM z/OS environments.
• Supported BR and CR releases, deployment coordination and production validations.
• Monitored CA7 batch cycles and analyzed incidents, failures and return codes.
• Performed COBOL recompilations, JCL updates, DB2 validations and RCA creation.
• Led CI/CD enablement activities for ChangeMan packages using Bitbucket and Jenkins and troubleshot pipeline failures.

Bachelor of Engineering in Electronics & Communication Engineering – RV College of Engineering (2022)