// TOPIC
#asynchronous
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◆◆Intermediate
02Message Queues and Event Streams
Queues vs streams, Kafka in depth, delivery semantics, idempotency, dead-letter queues, schema registries, the outbox pattern, and stream processing fundamentals.
#messaging#asynchronous#kafka
17 min