System Design

Designing systems that handle millions of users: architecture, trade-offs, load balancing, caching and databases at scale.

advanced~40 hours14 topics~24h of lessonsRoadmap Level 5

Large-scale services fail in new ways; distributed thinking is what keeps them consistent and available.

RECOMMENDED BEFORE THIS
○ Computer Networks○ Databases○ Operating Systems

These are suggested first. You can still open any topic — this only helps you pick an order.

Prerequisites:Computer NetworksDatabasesOperating Systems
Learning Path
07 stages
14 topics · 7 stages0/14 completed
01

Fundamentals

Start from zero. Build the vocabulary.

What is System Design?~45 minbeginnerVertical vs Horizontal Scaling~45 minbeginner
02

Core Concepts

The ideas you cannot skip.

Load Balancing~60 minintermediateCaching Strategies~75 minintermediateDatabases at Scale: Replication, Sharding~75 minintermediateCDNs and Reverse Proxies~45 minintermediate
03

Intermediate

Connect ideas and go deeper.

Message Queues and Async~60 minintermediateMonolith vs Microservices~60 minintermediateAPI Gateways and Service Discovery~45 minintermediate
04

Advanced

Beyond the basics.

Consistency and CAP Theorem~60 minadvancedCapacity Estimation~60 minadvanced
05

Practice

Solve problems until it sticks.

Practice: Design Walkthroughs~300 minadvanced
06

Projects

Apply everything in real work.

Project: Document an Architecture~360 minadvanced
07

Interview Prep

Convert knowledge into offers.

System Design Interview Mastery~120 minadvanced