Topaz
Varun V Prabhu
Mainframe Developer
Kochi,KL
Summary
To secure a challenging position in a progressive organization where I can apply my skills effectively and contribute to meaningful projects. I aim to continuously expand my knowledge, grow professionally, and work in an environment that offers both career advancement and personal fulfillment.
Overview
6
6
years of professional experience
2
2
Certifications
4
4
Languages
Work History
Technology Analyst
Infosys Ltd.
08.2022 - Current
- Analyzed business requirements and contributed to the design and creation of functional specifications, API definitions, and sequence diagrams.
- Developed and maintained COBOL, DB2, and JCL components based on project specifications and functional requirements.
- Created test plans and component specifications; performed unit testing, debugging, and deployment in test environments.
- Prepared and managed production and test JCLs for batch processing systems.
- Executed system integration testing (SIT) activities, including planning, test case preparation, and test execution, aligning with client expectations.
- Supported and coordinated Non-Functional Testing (NFT), System Integration Testing (SIT), and Near-Non-Functional Testing (NNT) in designated environments.
- Managed and resolved Jira tickets to support testing efforts across multiple regions.
- Provided live production support for SCP projects, resolving incidents related to customer account closure issues in real time to ensure seamless user experience and operational continuity.
- Delivered implementation support in the production environment for the Core Charges project, ensuring smooth deployment and issue resolution during the go-live phase.
Systems Engineer
TCS Siruseri
01.2019 - 08.2022
- Served as a Run-The-Business (RTB) resource in the Credit Cards domain for a UK-based client, ensuring consistent application support and stability.
- Applied functional testing expertise to validate business functionality, contributing to the overall quality assurance process.
- Proficient in mainframe development within the Credit Cards domain, including COBOL, JCL, and DB2 components.
- Managed User Acceptance Testing (UAT) and provided post-deployment production support, ensuring smooth transitions and minimal disruptions.
- Tracked and compiled project defect data from Jira throughout the sprint cycle and uploaded detailed reports to the TCS dashboard.
- Investigated and diagnosed incidents, service requests, change requests, and problems using ServiceNow; documented findings and coordinated with appropriate teams for resolution.
- Resolved incidents and service requests within team scope, ensuring timely recovery of impacted services.
- Supported regular Fiserv production releases by validating incoming files, performing regression testing using KSDS files, conducting FOV (File Output Validation) checks, and ensuring successful, error-free implementations.
Education
Bachelor of Technology - Information Technology
Rajagiri School of Engineering & Technology
Kakkanad, India 04.2001 -
Skills
Agile methodology
JCL
Cobol
DB2
VSAM
CICS
Confluence, JIRA, Sonar, Topaz
Zos connect
Service Now- Incident, Problem, Change management
Software
Service Now
Jira
SoapUi
Expeditor
Certification
Data Analyst OneRoadMap
Timeline
Data Analyst OneRoadMap
06-2025
AI Engineer OneRoadMap
06-2025
Technology Analyst
Infosys Ltd.
08.2022 - Current
Systems Engineer
TCS Siruseri
01.2019 - 08.2022
Bachelor of Technology - Information Technology
Rajagiri School of Engineering & Technology
04.2001 -