High level Design Course

High Level Design: (start from 7 july 2025)

1: Foundation & Basics (Theory + Mini Use Cases)

1. What is System Design? Goals, Trade-Os, protocols
2. CAP Theorem + Consistency vs Availability
3. Architecture Patterns : Monolith vs Microservices
4. HLD Approach: Interview Framework & Thinking Process
5. Load Balancing + Horizontal vs Vertical Scaling
6. Consistent Hashing
7. Caching (Types, When/Where/Why)
8. Database Design (SQL vs NoSQL, Sharding, Indexing)
9. Messaging Queues, Pub-Sub, Kafka, Rabbit-MQ etc
10. Scaling to Millions of Users

Module 2: Real-World Features with Concepts

1. Designing Authentication & Authorization
2. Rate Limiting & API Gateway
3. Building Rate Limiter (Leaky/Token Bucket etc)
4. CDN + Static Content Delivery
5. Monitoring, Logging & Health Checks
6. Designing Search (Inverted Index, Ranking, Autocomplete)
7. Notification System (Email/SMS/Push)
8. Building File Upload System (Like Google Drive)

Module 3: Complete System Design Problems

1. Building URL Shortener like (Bit.ly)
2. Building Instagram Feed Design
3. Building Zomato/Swiggy
4. Building YouTube (Video Service)
5. Building WhatsApp/Chat App
6. Building Google Docs (Collaborative Editing)
7. Design Twitter
   
   Class Timing: Mon and Thursday (9-11pm Live)
   Instructor: Aditya Tandon
   Completion Certificate