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QA Engineer with 3+ years in payment processing & ISO 8583 messaging.
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Assessing your cultural and operational fit
Software Tester with 3 years of experience in ATM and POS switching development and testing. Specialized in RuPay, Visa, and Mastercard payment processing, with strong knowledge of ISO 8583 messaging, HSM-based key management, and transaction routing to Core Banking Systems (CBS). Experienced in implementing secure, compliant, and high-performance payment solutions across multiple banking channels. A collaborative and adaptable professional with a proven ability to work effectively with cross-functional teams to improve payment processing efficiency
SCSVMV University
Master of Computer Applications (MCA)
N/A – June 30, 2020
FinancialSoftware& Systems (FSS)
Software Tester
March 1, 2023 – Present
Chennai, Tamil Nadu, India
VISA 8-Digit BIN Migration
March 1, 2023 – June 1, 2026
Client: Karur Vysya Bank. VISA mandated migration from 6-digit to 8-digit BIN structure. Validated routing logic, ISO 8583 message fields, and transaction approvals/declines post-migration. Coordinated with VISA certification team for compliance validation.
RuPay Kisan Credit Card (Agri Revolving Product)
March 1, 2023 – June 1, 2026
Client: Karur Vysya Bank. Tested new Agri revolving credit product built on RuPay network. Validated transaction approval/decline logic and FSS Switch request/response values. Ensured end-to-end flow from card swipe to host authorization.
Account & Mobile Number Masking (EJ & Receipt)
March 1, 2023 – June 1, 2026
Client: Ujjivan Small Finance Bank. Implemented masking of account and mobile numbers in Electronic Journal (EJ) logs and ATM receipt templates. Ensured compliance with RBI guidelines on data privacy. Validated masking patterns across different transaction types and ATM models.
Account Number Masking (EJ & Receipt)
March 1, 2023 – June 1, 2026
Client: Karur Vysya Bank. Verified switch-level account number masking for RBI audit compliance. Tested all receipt and EJ log formats to confirm masking was applied correctly.
Enable Data Element-38 in Postfrms
March 1, 2023 – June 1, 2026
Client: Ujjivan Small Finance Bank. Enabled DE038 (Authorization Identification Response Code) at Tango Switch level. Facilitated integration with FRMS (Fraud Risk Management System) application. Validated the DE038 value in ISO 8583 response messages for all applicable transaction types.
Cultural Fit Analysis
The candidate's experience is highly specialized in the financial payment domain, specifically ATM/POS switching. This specialization aligns well with roles requiring deep industry knowledge. The project diversity, while within a niche, shows adaptability to different client needs and regulatory requirements. The current role as a Software Tester aligns directly with the target QA Engineer role, indicating a strong cultural fit for a specialized testing position in the financial sector.
Soft Skills & Operational Fit
The candidate demonstrates a collaborative approach, evidenced by coordination with development, business, and network teams. Experience in production support and UAT indicates a problem-solving and client-focused mindset. The ability to work on compliance-driven projects (RBI guidelines) suggests attention to detail and adherence to operational standards.