GUNASUNDARI Tamilmani
Visionplus Tester
Chennai
Summary
Senior QA Engineer / Test Lead with 10+ years in banking, payments, and card issuing platforms, deeply specialized in VisionPLUS (CMS, FAS, LMS, TRAMS, ASM, VMX). Expert in functional, integration, and compliance testing, scheme simulator validation, tokenization, EFTPOS/authorization flows, and automation (Selenium with Java, Python). Designed and delivered Python tooling for TRAMS log capture and evidence automation, standardizing diagnostics and significantly reducing manual repro and setup time.
Overview
2
2
Certifications
12
12
years of professional experience
Work History
Specialist, Quality Assurance
Fiserv - LATAM Issuing
08.2022 - Current
- Led testing efforts for most complex compliance and custom enhancements of credit card functionalities, ensuring adherence to LATAM regional banking regulations and critical business requirements.
- Leveraged expertise in VisionPLUS CMS, FAS, LMS, and TRAMS for quality and performance.
- Managed verification of various scheme files and executed in-depth testing with major simulators.
- Contributed significantly to AI-driven automation using Atrium tool and ensured successful project delivery.
Accenture Solutions Pvt. Ltd.
04.2014 - 08.2022
- Performed end-to-end testing across VisionPLUS modules (CMS, FAS, ASM, LMS, TRAMS, VMX).
- Conducted rigorous Falcon testing and fraud alert monitoring.
- Executed payment authorization testing using EFTPOS terminals and simulators.
- Led tokenization testing for digital wallets (Google Pay, Amazon Pay, Samsung Pay).
- Performed clearing and input file validations for major issuers.
- Developed and executed automation scripts for IVR testing with Cyara.
- Contributed to automation acceleration program to reduce manual effort.
Education
B.Sc. - Computer Science
Madras University
01.2013
Skills
VisionPLUS Testing: CMS, FAS, LMS, TRAMS, ASM, VMX; card lifecycle, billing/statement generation, interest calculation
Scheme and Simulator Validation: MasterCard, VISA, AMEX; scheme file ingestion, settlement, reconciliation
Authorizations and EFTPOS: ATM/POS authorizations, reversals, returns, balance inquiry, terminal boarding
Accomplishments
- Finalist — Fiserv Global Awards
- Multiple team excellence and catalyst awards — Accenture R&R program
Certification
Credit Card for Banker
TRAMS AND VISIONPLUS UTILITIES (PYTHON)
- Built and maintained Python utilities to automate evidence capture, bulk test-data updates, and diagnostic packaging for VisionPLUS/TRAMS testing—standardizing artifacts and accelerating triage.
- TRAMS Preamble Screenshot Utility: End-to-end capture of TRAMS preamble screens for transaction traceability and audit evidence
- OFDL Screenshot Automation: Automated OFDL screen capture for any auth triggered
- Bulk Billing Cycle and PCT Id Updater: Python tool to update billing cycle/PCT Id for bulk accounts, enabling large-scale test-data provisioning and reducing setup time from days to hours
- CMS Screenshots Suite: Automated capture of ARQA, ARSD, ARIQ screens for test evidence
- Impact: Standardized evidence collection and automated test-data updates reduced manual repro/setup time and accelerated developer turnaround
Timeline
Specialist, Quality Assurance
Fiserv - LATAM Issuing
08.2022 - Current
Accenture Solutions Pvt. Ltd.
04.2014 - 08.2022
B.Sc. - Computer Science
Madras University