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Paypay Corporation

PayPay Corporation is a leading financial technology company specializing in digital payment services and solutions primarily in Japan.

Interview Questions for Paypay Corporation

1. Given a list of promises, how would you resolve the output?

2. Design a wallet service similar to PayPal.

3. Design a QR code-based payment system.

4. How does Kafka work, and can you describe a scenario where it would be used?