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Engineering
that finally clicks

Articles, videos, and courses on software engineering, AI, infrastructure, and the craft of shipping software that actually works — from system design to deployment.

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"Well paced and genuinely informative. I like that you explain why a thing works, not just how to type it."
— Dana R.
"The pacing, the density, the little jokes hiding in the code samples. Worth every cent and then some."
— Tobi M.
"Each lesson rolls straight into the next. The videos are not the usual sleepy screencasts."
— Vikrant B.
"Re-framed concepts I thought I already knew and made them click for good."
— Connor R.
"Explanations are short but complete, with examples that actually resemble real work."
— Priya S.
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You'll be in good company with the developers we've already trained.

The good stuff

Pick a lane.
Start today.

Every course is short enough to finish in a weekend and dense enough that you actually keep it. One subscription opens all of them.

Browse the whole library
14 hrs

System Design

Design systems that hold up under load, failure and five years of change.

Level: Advanced46 lessonsView path
11 hrs

Software Architecture

Boundaries, layering and the decisions that decide how changeable a codebase is.

Level: Advanced39 lessonsView path
7 hrs

API Design

REST, RPC and events — designing interfaces you will not regret shipping.

Level: Intermediate29 lessonsView path
13 hrs

Algorithms & Data Structures

The reasoning behind complexity, so you pick the right structure without guessing.

Level: Intermediate54 lessonsView path
12 hrs

Programming Foundations

The language-agnostic core: types, memory, concurrency and control flow.

Level: Beginner51 lessonsView path
18 hrs

React

The interactive way to master modern React, hooks and all.

Level: Intermediate64 lessonsView path

Not convinced? Read a pile of reviews.

Two hands reaching out of a laptop and tablet with a spark between them

That “a-ha” moment

Plenty of courses promise to teach you a technology, then hand you a folder of pre-built files and a certificate. You finish with a working demo and no idea why any of it works.

We don't skip the hard parts. We break them into small pieces, explain the reasoning behind each one, and keep it entertaining — until the click happens, over and over, and the whole thing is yours.

I'm ready, let's go
From the blog

Latest writing

All articles
Investigation · 8 min read

The Internet Is More Fragile Than You Think

A handful of companies, a few thousand BGP routes and one expired certificate stand between you and a working internet. Here is how thin the margin really is.

Investigation · 8 min read

Inside the GitHub Outage: What Really Happened?

43 seconds of network partition, 24 hours of degraded service, and one of the clearest postmortems ever published. A walkthrough of how a database split-brain unfolds.

Systems · 8 min read

What Happens When You Type google.com?

The classic interview question, taken seriously: every hop from keystroke to painted pixel, including the parts most answers skip.

On the channel

Watch first,
subscribe later

A slice of the video library — deep dives, walkthroughs and whiteboard sessions. Nothing loads until you press play.

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Featured · Career · 17 min

The developer roadmap, condensed

Every path from beginner to shipping engineer, in one sitting.

  • React · 2 min

    React in 100 seconds

    The mental model behind components, state and re-renders.

  • TypeScript · 13 min

    TypeScript, the fast tour

    Types that pay for themselves before lunch.

  • JavaScript · 9 min

    The event loop, visualised

    Microtasks, macrotasks, and why your await ordering surprises you.

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