System Design ka complete roadmap

4 structured modules � fundamentals se real HLD/LLD tak. Har topic ka full coverage with examples aur interview-level depth.

System Design kya hai?15 min Scalability: Vertical vs Horizontal20 min Load Balancers & Hashing22 min Caching Strategies20 min

Database Scaling: Sharding, Replication25 min SQL vs NoSQL20 min

Message Queues & Pub-Sub22 min Microservices Architecture24 min CAP Theorem & Trade-offs20 min

HLD: Design TinyURL30 min LLD: SOLID & Design Patterns25 min Machine Coding Round28 min

Is course ke baad aap kya kar paoge?

Scalability concepts confidently samjhoge
Load balancing, caching, databases ke trade-offs explain karoge
Real-world HLD problems (URL shortener, chat system) design karoge
LLD mein SOLID principles aur design patterns apply karoge
Machine coding rounds mein clean code likhoge
MNC interviews ke system design rounds clear karoge

MNC Design Rounds

System Design MNC interviews ki sabse weighted round hai. Senior engineers ke liye ye make-or-break hota hai. Ye course tumhe step-by-step ready karega � from basics to real HLD problems.

Interview Prep Strategy

Har lesson ke baad ek HLD problem practice karo. Week 1 ✓ Fundamentals, Week 2 ✓ Data Layer, Week 3 ✓ Architecture, Week 4 ✓ Interview problems.

Recommended Resources

Grokking the System Design Interview
System Design Interview by Alex Xu
High Scalability blog
ByteByteGo YouTube channel