Mainframe Developer Software Development

Vaibhav Patil

Mainframe Developer

****************@*****.*** 738-***-**** Pune, India 411033

linkedin.com/in/vaibhav-patil-mainframe-developer

Profile

Mainframe Developer with 3 years of experience at TCS, specializing in IBM Mainframe Technologies and modernization projects. Skilled in application development, requirement gathering, and improving system efficiency. Proven problem solver with expertise in the insurance domain. Professional Experience

Mainframe Developer, Tata Consultancy Services

•Executed all phases of the Software Development Lifecycle (SDLC), including analyzing requirements, creating functional specifications and technical designs, developing code, and maintaining applications using Mainframe Technologies, ensuring efficient delivery of high-quality solutions.

•Authored more than 20 detailed impact analysis and 5+ high-level design documents, ensuring clarity and alignment with project requirements. 03/2022 – present

Pune, India

•Developed code, conducted unit testing, executed retrofitting, and provided post production warranty support for over 20 projects.

•Designed, tested, and debugged over 50 COBOL and COBOL-DB2 programs, improving the functionality and reliability of mainframe applications.

•Developed and managed over 20 JCLs to efficiently execute and monitor batch jobs on the mainframe system.

•Diagnosed and resolved 95-100% of technical issues reported during system and business testing phases, ensuring smooth project delivery.

•Debugged over 100 online and batch programs using XPEDITOR and MACRO4.

•Handled customer requests by efficiently managing queues and prioritizing tickets. Identified root causes and resolved over 20 incidents successfully.

•Gained extensive hands-on experience utilizing mainframe technologies including COBOL, CICS, JCL, IMS DB, DB2, and VSAM to develop and optimize over 5+ applications.

•Leveraged hands-on technical expertise in mainframe modernization techniques, including developing SOAP-based CICS web services, implementing z/OS Connect REST APIs, and executing VSAM to DB2 migrations.

Education

Master of Science, Willingdon College, Sangli 06/2017 – 05/2019 Sangli, India

Bachelor of Science, P.D.V.P. College, Tasgaon 06/2014 – 05/2017 Tasgaon, India

Skills

IBM Mainframe

CICS

Requirement Gathering

COBOL

Job Control Language (JCL)

SOAP-based CICS web service

IBM-DB2

Mainframe debugging

VSAM file handling

Awards

Employee of the month, Tata Consultancy Services 11/10/2024 Award for Excellence, Tata Consultancy Services 01/07/2024 Certificates

Mainframe: The Complete

COBOL course from beginner

to expert

The Complete Mainframe

Professional Course

Mainframe: Code DB2 on

COBOL Programs

Mainframe: The Complete

TSO/ISPF from Beginner to

Expert

Mainframe: The Complete JCL

Course from Beginner to Expert

Declaration

I hereby declare that the information provided above is true to the best of my knowledge and belief. Vaibhav Patil

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