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c/FinTech India Builders

Souptik Das
Souptik Dasc/fintech-india-builders

Community Member2d ago

The Architecture of Instant UPI Payouts & Micro-Lending in Mumbai

Handling high-concurrency UPI payment callbacks during peak festive sales requires resilient queue architecture. We leverage Valkey/Redis distributed locks and AWS SQS dead-letter queues to ensure zero duplicate debit transactions during UPI gateway timeouts.

💰FintechMumbai, India
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