// TOPIC
#rate-limiting
2 articles
◆◆IntermediateMetaGoogle
01Design a Notification System (Push, Email, SMS)
A reliable multi-channel notification platform — fanout, templates, dedup, rate limiting, and the realities of APNS/FCM.
#interview#notifications#messaging
14 min◆◆IntermediateStripeCloudflare
02Design a Rate Limiter
Token bucket, leaky bucket, fixed window, sliding window — and the distributed Redis-based limiter you can copy into production.
#interview#rate-limiting#distributed-systems
14 min