Free learning paths

Master System Design
from zero to production.

Three structured paths. 3 courses. 135+ chapters. Always free.

3

PATHS

135

CHAPTERS

Free

ALWAYS

Browser / ClientHTTP RequestLoad BalancerApp ServerApp ServerApp ServercacheDatabaseTIER 1TIER 2TIER 3
PATH 01
Beginner

Introduction to System Design

Networking, databases, caching, APIs — the building blocks every engineer must know.

42 chapters3 weeksFree
Start path
then continue toIntermediate
API GatewayAuth ServiceOrder ServiceUser ServiceRedisCacheMessage Queue (Kafka)Worker PoolAnalyticsPrimary DB→ replica
PATH 02
Intermediate

System Design Intermediate

Sharding, replication, messaging systems, and distributed patterns in practice.

42 chapters3 weeksFree
Start path
then continue toAdvanced
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PATH 03
Advanced

System Design Advanced

Consensus, gossip protocols, CRDTs, and fault-tolerant production systems at scale.

51 chapters3 weeksFree
Start path