Pattern series
Retry with Backoff + Dead-Letter
4 System Design questions share this exact tag. Use the closely related series below for a fuller drill.
- 01Preview
Stripe
Design Stripe itself — a payments platform that other companies build on top of, exposing charge/webhook APIs to thousands of merchants while routing...
Stripe - 02Preview
Webhook
Design a webhook delivery platform (Stripe-webhooks-style) that reliably delivers event notifications to thousands of third-party consumer endpoints u...
Stripe - 03Preview
Notification System
Design a multi-channel notification system that sends email, push, SMS, and in-app notifications on behalf of many internal services, respecting user...
Uber - 04Preview
IoT Device Platform
Design a platform managing ~10 million connected devices over MQTT: connection lifecycle and disconnect detection, telemetry ingest at fleet scale, an...
Practice bank