Stripe-inspired practice
4 independently authored System Design scenariosconnected to public Stripe engineering references.
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Payment System
Design a payment system for an e-commerce product — money must move correctly between buyer, platform, and seller even w...
Stripe
Design Stripe itself — a payments platform that other companies build on top of, exposing charge/webhook APIs to thousan...
Webhook
Design a webhook delivery platform (Stripe-webhooks-style) that reliably delivers event notifications to thousands of th...
Fraud Detection
Design a real-time ML fraud/risk scoring system that scores payment transactions in under 100 ms.