Tandem Tester – End to End Testing

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Key Responsibilities

• Perform end-to-end functional and regression testing for ATM transactions on Tandem (HP NonStop) systems.
• Capture, trace, and analyze Tandem logs to validate ATM and POS transactions.
• Validate EMV, contactless, and other ATM transaction flows.
• Work with business and vendor teams to resolve defects and ensure certification compliance.
• Perform host simulator testing and troubleshooting for transaction failures.
• Collaborate with developers, architects, and external vendors during certification cycles.
• Document test cases, test results, and certification reports.