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System Design Mastery

Master HLD & LLD concepts for top product-based companies

8HLD
9LLD
17Total

High-Level Design (HLD)

Design scalable distributed systems and architect complex applications

URL Shortener

⚡Intermediate
★★★★★4.5
High-Level Design
GoogleAmazon+2

E-Commerce Platform

🔥Advanced
★★★★★4.8
High-Level Design
AmazonFlipkart+2

Chat Application

⚡Intermediate
★★★★★4.6
High-Level Design
WhatsAppSlack+2

Video Streaming (Netflix/YouTube)

🔥Advanced
★★★★★4.9
High-Level Design
NetflixYouTube+3

Ride Sharing (Uber/Ola)

🔥Advanced
★★★★★4.7
High-Level Design
UberOla+2

Twitter Feed

⚡Intermediate
★★★★★4.5
High-Level Design
TwitterMeta+2

WhatsApp Backend

🔥Advanced
★★★★★4.8
High-Level Design
WhatsAppMeta+2

Netflix Recommendations

🔥Advanced
★★★★★4.9
High-Level Design
NetflixAmazon+2

Low-Level Design (LLD)

Master object-oriented design patterns and build robust software components

Elevator System

⚡Intermediate
★★★★★4.3
Low-Level Design
GoogleAmazon+2

Parking Lot

🌱Beginner
★★★★★4.0
Low-Level Design
AmazonWalmart+2

Library Management

🌱Beginner
★★★★★3.8
Low-Level Design
AmazonGoogle+1

ATM Machine

⚡Intermediate
★★★★★4.2
Low-Level Design
BanksFintech+2

Shopping Cart

🌱Beginner
★★★★★4.1
Low-Level Design
AmazonFlipkart+2

Cab Booking System

⚡Intermediate
★★★★★4.5
Low-Level Design
UberOla+2

LRU Cache

⚡Intermediate
★★★★★4.7
Low-Level Design
GoogleAmazon+3

Rate Limiter

⚡Intermediate
★★★★★4.6
Low-Level Design
GoogleAmazon+3

Thread Pool

🔥Advanced
★★★★★4.8
Low-Level Design
GoogleAmazon+3