Debalina Chatterjee
Mainframe Developer/Business Analyst
Kolkata
Summary
Progressive Business Intelligence Analyst and Mainframe Developer with 7.5+ years of experience in Developing and Enhancing Applications, Production Support, Design, Testing, Automation and Implementation on IBM Mainframe platform using COBOL, DB2, JCL, VSAM, CHANGEMAN, JEMETER, POSTMAN, XPEDITOR. Also used basic Power BI in report generation activities. Experienced in Data mapping and Process Flow Analysis. Worked independently on Life Insurance and Annuities domain for big Insurance players such as CHUBB Insurance, Met life and Equifax Corp. Good hands on REXX, CICS and PL/1. Good knowledge on Waterfall model , Agile methodology(Scrum Network, Kanban Board). Encompassing skill in query building with SQL . Have basic knowledge of Python. Flexible enough to adapt to new environments.
Overview
8
8
years of professional experience
4
4
years of post-secondary education
7
7
Certifications
3
3
Languages
Work History
IT Analyst – Mainframe
Tata Consultancy Services, KOLKATA, WB
Kolkata
12.2021 - Current
- This Credit Report project uses Agile Model.
- Develop, test, and debug COBOL programs, JCL, and other components such as JMETER, POSTMAN, ensuring optimal performance and functionality.
- Planned computer systems using information engineering, data modeling, and structured analysis.
- Designed, coded, and implemented mainframe applications using COBOL, JCL, DB2, UAT BIG Query and CICS to support business processes and improve system efficiency.
- Performed root cause analysis using XPEDITOR tool and provide timely resolutions for production issues, minimizing system downtime and improving overall system stability.
- Collaborate with business analysts and stakeholders to gather requirements, analyze system specifications, and design efficient solutions.
- Researched and adopted new technologies to add value to existing offerings.
- As a Business intelligence Analyst, enhanced project management skills by defining and presenting system solutions and timelines for business needs or technical problems.
- Mentored junior developers, providing guidance and support in mainframe development best practices.
Product Specialist – Mainframe
Cognizant Technology Solutions, KOLKATA, WB
Kolkata
09.2018 - 11.2021
- This Waterfall model uses Façade and Vantage
admin system. - Established entire Software Development Cycle.
- Deep understanding of Impact Analysis, Root
cause Analysis for problems or incidents. - Maintenance and production support for Go-lives.
- Successfully project delivery of risk management
situation on emergency project requirements
during COVID-19. - Successfully project delivery of risk management
situation on emergency project requirements
during COVID-19. - Responsible for developing COBOL programs, unit testing with JCL, Changeman Tool.
- Defect Management and bug reporting.
- Incident management using JIRA, Service-now.
- Create Business Checkouts which required Sending Daily, Monthly, Weekly Reports to client server using FTP.
- Worked on performance improvement initiatives as Skillup-Persuador
System Engineer – Mainframe
IBM India, KOLKATA, West Bengal
Kolkata
03.2016 - 09.2018
- Analysis of specifications provided by clients, designing requirement creating user stories in scrum calls.
- Responsible for working in DB2 table for production module.
- Effective coordination and collaboration skills to maintain quality standards.
- Established as major resource in TPA (Third Party Administrator) vendor processing applications. • Increased client satisfaction providing Production Job Resolutions and fixing errors and monitoring Production cycle using CA7 scheduler .
- Mentoring and training new resources and successfully delivered mid-level intakes.
Education
Bachelor of Technology - Electronics And Communications Engineering
Guru Nanak Institute of Technology
Kolkata 08.2011 - 08.2015
Skills
COBOL
Accomplishments
- Awards for excellence - TCS On the Spot Award.
- Beyond Performance Award - TCS Special Initiative Award
- Career Management Award - TCS Victor Certificate, TCS Warrior Certificate
- Cognizant Best Energizer Award
- Cognizant Working As One Award
Certification
Google Cloud Generative AI learning Series Curriculum
Timeline
Google Cloud Generative AI learning Series Curriculum
09-2023
Microsoft Power BI Foundation
08-2023
Agile Way of Working Foundation
06-2023
BDA Introduction to Business Analysis Foundation
10-2022
IT Analyst – Mainframe
Tata Consultancy Services, KOLKATA, WB
12.2021 - Current
IBM Data Science
05-2021
JCL 101
05-2019
Product Specialist – Mainframe
Cognizant Technology Solutions, KOLKATA, WB
09.2018 - 11.2021
Big Data Analytics
06-2018
System Engineer – Mainframe
IBM India, KOLKATA, West Bengal
03.2016 - 09.2018
Bachelor of Technology - Electronics And Communications Engineering
Guru Nanak Institute of Technology
08.2011 - 08.2015
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