Engineering Courses
Deep-dive, documentation-style courses built from years of production experience — not tutorials that stop at "hello world."
Where should I start?
I'm a Beginner
New to backend engineering — start with the fundamentals.
I'm a Backend Developer
Round out your stack with caching, containers, and data.
I'm a Senior Engineer
Go past tutorials into internals, trade-offs, and architecture.
I'm Preparing for Interviews
Algorithms, system design, and the backend concepts interviewers probe.
PostgreSQL In-Depth
From the first SELECT to production schema internals
Node.js In-Depth
From the event loop to V8 internals and distributed architecture
Next.js In-Depth
From routing basics to RSC internals and edge architecture at scale
Redis In-Depth
Master Redis data structures, caching, and architecture
Master JavaScript Testing
Write testable code, prevent production bugs, and ship with confidence
Docker In-Depth
Master container engineering and deploy full-stack applications with confidence
Data Structures and Algorithms In-Depth
Every algorithm anchored to the stack you already ship
System Design In-Depth
Every trade-off anchored to systems that actually took traffic