New Episode: Build Git From Scratch!
Don't just use APIs!

BUILD
X
FROM SCRATCH.

...understand it all!

Stop memorizing frameworks. Start understanding systems. Learn how Git, Redis, Vector DBs, and Search Engines actually work under the hood.

Start Building GitHub
The Curriculum

Master The Systems
One block at a time!

A comprehensive, structured roadmap. We don't skip the hard parts. Select a domain below and see exactly what you'll be building.

Domain 01

Internet Systems

Internet SystemsAvailable

Build Git From Scratch

Advanced~6 hours
Internet SystemsUpcoming

Build Search Engine From Scratch

Advanced~8 hours
Internet SystemsUpcoming

Build Real-Time Chat From Scratch

Intermediate~5 hours
Internet SystemsUpcoming

Build Recommendation System From Scratch

Advanced~10 hours
Domain 02

AI Engineering

AI Engineering Building

Build Tokenizer From Scratch

Intermediate~4 hours
AI EngineeringUpcoming

Build Embeddings From Scratch

Advanced~6 hours
AI EngineeringUpcoming

Build Vector Database From Scratch

Expert~12 hours
AI EngineeringUpcoming

Build Semantic Search From Scratch

Advanced~5 hours
AI EngineeringUpcoming

Build RAG From Scratch

Advanced~8 hours
AI EngineeringUpcoming

Build AI Resume Analyzer From Scratch

Intermediate~4 hours
Domain 03

Backend Engineering

Backend EngineeringUpcoming

Build Web Server From Scratch

Advanced~6 hours
Backend EngineeringUpcoming

Build Authentication From Scratch

Intermediate~5 hours
Backend EngineeringUpcoming

Build Database From Scratch

Expert~15 hours
Backend EngineeringUpcoming

Build Cache From Scratch

Intermediate~4 hours
Backend EngineeringUpcoming

Build Redis From Scratch

Advanced~8 hours
Backend EngineeringUpcoming

Build URL Shortener From Scratch

Beginner~3 hours
Backend EngineeringUpcoming

Build Rate Limiter From Scratch

Intermediate~4 hours
Backend EngineeringUpcoming

Build Message Queue From Scratch

Advanced~8 hours
Backend EngineeringUpcoming

Build Notification System From Scratch

Intermediate~5 hours
Backend EngineeringUpcoming

Build Load Balancer From Scratch

Advanced~6 hours
Backend EngineeringUpcoming

Build API Gateway From Scratch

Expert~10 hours
Backend EngineeringUpcoming

Build Scalable Backend Architecture

Expert~12 hours