Design a Payment Processing System
Design a scalable payment processing system handling transactions, fraud detection, multi-currency support, and PCI DSS compliance.
Meer in System Design Prompts
System Design: Design a URL Shortener at Scale
Full URL shortener system design for 100M URLs/day.
System Design: Design Instagram Feed (Fan-Out Strategies)
Compare fan-out-on-write vs fan-out-on-read for a social feed.
System Design: Distributed Rate Limiter
Design a rate limiter that works across many servers and multiple tiers.
System Design: Payment Processing System
Design a payment system with idempotency, webhooks, and reconciliation.