Notification System
Design a notification system that can send email, push, SMS, and in-app notifications.
Practice this in the app →Patterns
- Fan-out queue
- Preference filtering
- Retry / DLQ
- Provider failover
What the full guide covers
Full guide available in the app — unlock expected topics, self-check prompts, and common mistakes for Notification System.
- Patterns
- Expected topics
- Self-check prompts
- Common mistakes