✅ System Design 15: Design Scalable Notifications System | SMS | OTP | Email & Push | HLD | LLD
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🚀 In this video, we design a complete Notification System from scratch, explaining how large-scale companies like Netflix, Walmart, and Amazon send millions of notifications per minute reliably using Kafka, Outbox pattern, Redis, and microservices architecture.
Design Diagram: https://www.interviewwithbunny.com/sy...
📘 What you’ll learn in this video:
✅ Notification System Architecture (Email, SMS, In-App)
✅ Template Service using Redis cache
✅ User Preference Management
✅ Outbox Pattern for reliable message delivery
✅ Kafka topics for async processing & retry mechanism
✅ OTP Handling with dedicated high-priority consumers
✅ Rate Limiter Design (Gateway, Worker, Provider level)
✅ Delivery Status Updates via Kafka
✅ Reporting & Analytics Service using BigQuery
✅ Handling 1M+ notifications/min with scale & fault tolerance
►►Playlist:
1. System Design 1: Design Tiny URL (with Advanced Design)/ URL Shortner / Bitly: • ✅ System Design 1: Design Tiny URL (with A...
2. System Design 2: Design Ticket Booking System like BookMyShow, District: • ✅ System Design 2: Design Ticket Booking S...
3. System Design 3: E-Commerce Platform like Amazon / Flipkart Architecture Design: • ✅ System Design 1: Design Tiny URL (with A...
4. System Design 4: Design OTT Platform like Netflix / Amazon Prime / Hotstar: • ✅ System Design 4: Design OTT Platform lik...
5. System Design 5: Design Hotel Booking Application like AirBnb / Bookings.com : • ✅ System Design 5: Design Hotel Booking Ap...
6. System Design 6: Design Food Delivery Application like Zomato / Swiggy / Uber Eats: • ✅ System Design 6: Design Food Delivery Ap...
7. System Design 7: Design Proximity Search: • ✅ System Design 7: Design Proximity Search...
8. System Design 8: Design Chat Application like Whatsapp | Messenger: • ✅ System Design 8: Design Chat Application...
9. System Design 9: Design Distributed Job Scheduler like Airflow | Temporal | Celery | HLD | LLD
• ✅ System Design 9: Design Distributed Job ...
10. System Design 10: Design Real-time Collaborative Text Editor like Google Docs | Notion: • ✅ System Design 10: Design Real-time Colla...
11. System Design 11: Design Ride Sharing System like UBER | OLA | Rapido | Lyft: • ✅ System Design 11: Design Ride Sharing Ap...
12. System Design 12: Design Stock Broker Trading Application like Zerodha | Grow | Upstox : • ✅ System Design 12: Design Stock Broker Tr...
13. System Design 13: Design Social Media like Facebook | Instagram | Feeds Generation: • ✅ System Design 13: Design Social Media li...
14. System Design 14: Design Top K Leaderboard | Ranking System | Trending Songs | Movie: • ✅ System Design 14: Design Top K Leaderboa...
15. System Design 15: Design Scalable Notifications System: • ✅ System Design 15: Design Scalable Notifi...
16. System Design 16: Design Distributed Logging System: • ✅ System Design 16: Design Distributed Log...
💡 Timestamps:
0:00 Introduction
1:40 Gathering Functional/NonFunctional Requirement
11:28 Entity Creation
12:25 API Creation
17:45 High Level Design
22:45 Low Level Design
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