Overview Design a highly reliable notification system supporting push notifications, SMS,...
Overview
Design a highly reliable notification system supporting push notifications, SMS, and email for over 1 million users. The system must guarantee:
no duplicate notifications
no missed sends
graceful degradation during provider failures
our mobile app talks to 3 backend services directly. A 4th one ships next sprint. The mobile team is...
Notifications start small. "Send the user an email when their order ships." A function. A library....
Messaging systems are one of those architectural decisions that seem harmless during sprint...
How Slack rebuilt its notification system from the ground up by designing for clarity and calm to reduce noise
You click “Place Order” on Amazon. A second later: Payment is processed Inventory is updated Email...
Push notifications in Flutter look easy… until you actually try to implement them. Everything seems...
