Design, prepare and execute test scenarios, test cases and test plans for payment applications.
Perform functional, integration, system, regression, UAT and end-to-end testing.
Validate complete payment transaction lifecycles, including:
Transaction initiation
Authentication and authorization
Success and failure scenarios
Timeouts and technical declines
Reversals and retries
Refunds
Reconciliation and settlement
Perform NPCI certification and compliance testing for payment products, where applicable.
Analyze and validate ISO 20022 messages, message structures, mandatory/optional fields, data elements and business validations.
Test REST/SOAP APIs using Postman or equivalent tools.
Validate API request/response payloads, headers, status codes,



JSON/XML structures and error responses.
Perform mobile application testing on Android and/or iOS, including functional, integration, regression, compatibility and end-to-end payment scenarios.
Analyze application, API and transaction logs to troubleshoot payment failures.
Identify, document and track defects using tools such as JIRA and work with development teams through closure.
Payments experience Indian NPCI work experience / UAE AANI work experience Should have very positive knowledge in
ISO20022 messaging standard
APIs (Postman or any other tools)
Mobile testing

📌 Payment Tester Chennai
🏢 Expleo
📍 Chennai