Design a Notification System — Roadmap Step & Resources
Fan-out delivery of push, email and SMS notifications at scale
- Level: advanced
- Estimated time: 1 days
- Roadmap: System Design
Before this step
Interview questions
- How would you avoid sending duplicate notifications for the same event?
Study resources
- System Design: Notification System (Video) — A practical walkthrough of designing a fan-out push/email/SMS notification system.
- Notification System Design (Article) — ByteByteGo's newsletter deep-dive into designing a scalable notification system.
Part of
- System Design Interview Practice & Case Studies — section
- System Design roadmap — the full learning path