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System Design Guide

Master the art of designing scalable, reliable systems. From fundamentals to real-world system designs used at top tech companies.

5 Modules

26 Lessons

4 Unlocked

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Free foundation module

Curated top-tier resources

Real system design practice

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Course Overview

Module 1

Foundations

Build your system design mental framework

4 lessons

What is System Design?

10 min • article

Why System Design Matters

8 min • video

Thinking at Scale

15 min • article

Key Metrics: Latency, Throughput, Availability

12 min • article

Module 2

Building Blocks

The core components of every system

6 lessons

Load Balancers

15 min • video

Caching Strategies

20 min • article

Databases: SQL vs NoSQL

25 min • video

Message Queues & Event Streaming

18 min • article

CDNs & Edge Computing

12 min • article

API Design Principles

20 min • video

Module 3

Core Concepts

The theory behind scalable systems

5 lessons

CAP Theorem Explained

15 min • video

Horizontal vs Vertical Scaling

12 min • article

Database Sharding

20 min • article

Replication Strategies

18 min • video

Consistency Patterns

22 min • article

Module 4

Real System Designs

Learn by designing real-world systems

6 lessons

Design a URL Shortener

30 min • workshop

Design a Rate Limiter

25 min • workshop

Design Twitter's Feed

45 min • workshop

Design a Chat Application

40 min • workshop

Design YouTube/Netflix

50 min • workshop

Design Uber/Lyft

55 min • workshop

Module 5

Interview Prep

Ace your system design interviews

5 lessons

The System Design Interview Framework

20 min • article

How to Communicate Your Design

15 min • video

Common Mistakes to Avoid

12 min • article

Questions to Ask Your Interviewer

10 min • article

Mock Interview Walkthrough

35 min • video