Advanced

8 weeks Language-agnostic

System Design (HLD)

Learn to design systems that handle millions of users. Covers real architectures behind Netflix, Twitter, Uber, and more.

₹7,999

Curriculum

01

Fundamentals

Scalability concepts
CAP theorem
Latency vs throughput
Back-of-envelope estimation

02

Databases

SQL vs NoSQL trade-offs
Sharding & replication
Indexing strategies
ACID vs BASE

03

Caching

CDN architecture
Redis patterns
Cache invalidation
Write-through vs lazy loading

04

Message Queues

Kafka architecture
Pub/sub patterns
Dead letter queues
Exactly-once semantics

05

Load Balancing & Proxies

L4 vs L7 load balancers
Consistent hashing
Reverse proxy patterns
API gateway design

06

Case Studies I

Design URL shortener
Design Twitter timeline
Design Dropbox
Design rate limiter

07

Case Studies II

Design Uber dispatch
Design WhatsApp
Design YouTube
Design Google Search

08

Reliability Engineering

Circuit breaker pattern
Bulkhead isolation
Chaos engineering basics
SLA / SLO / SLI

What you'll build

Design and document a URL shortener with full HLD diagram

Design a real-time notification system for 10M users

FAQ