All Courses

Course catalog

• DSA 40 Chapters

  Data Structures & Algorithms

  Pattern-first DSA preparation for FAANG interviews. Each topic — Heaps, Intervals, and more to come — is a chapter containing a theory primer plus pattern groups, with dual-language solutions and edge-case checklists for every problem.

  4h full · 27m revision

• JS 16 Chapters

  JavaScript

  The language that runs the web — deep notes on how JavaScript actually executes, from the Execution Context through closures, promises, and the event loop.

  4h full · 48m revision

• N 11 Chapters

  Node.js

  Server-side JavaScript from V8 internals up through production patterns. Designed for engineers who already know JavaScript and want the depth that interviews and incidents demand.

  4h full · 51m revision

• NX Coming soon

  Next.js

  The React framework for production — routing, rendering strategies, caching, and deployment.

  ~12h full

• R Coming soon

  React.js

  Component model, hooks, rendering internals, and the state-management patterns that hold up in real apps.

  ~14h full

• TS Coming soon

  TypeScript

  The type system explained the way you wish someone had explained it the first time — generics, narrowing, and all.

  ~9h full