- 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 valuable knowledge in

- ISO20022 messaging standard
- APIs (Postman or any other tools)
- Mobile testing

📌 Payment tester (Chennai)
🏢 Expleo
📍 Chennai