QA/Test Engineer (Cards Migration)

Job Description: - Prepare and review test scenarios, test cases, and test data. - Execute functional, integration, system, regression, and UAT testing. - Test complete debit card lifecycle processes including card issuance, activation, PIN management, hotlisting, replacement, renewal, and transaction processing . - Validate card transaction flows across Visa, Mastercard, RuPay, NPCI , and other payment network integrations. - Test authorization switch functionalities, transaction routing, reversals, chargebacks, settlements, and reconciliation. - Perform API, interface, and file-based testing across Core Banking, Card Management Systems (CMS/DCMS), and external systems . - Coordinate with business, vendor, switch, and host-system teams for defect analysis and resolution. - Log, track, retest, and close defects using Jira and relevant test management tools. - Support production validation, mock runs, and migration-related testing activities. - Prepare daily/weekly test execution reports, status updates, and testing metrics.