ONE GOAL. A CLEAR SEQUENCE.

Choose your learning path

Each path connects published courses in a suggested order. Work through the exercises, then use the project or review task to demonstrate what you understood.

19 PUBLISHED LESSONS

JavaScript developer

Move from your first function to predictable service behavior and a tested HTTP API.

Explore the path →22 PUBLISHED LESSONS

TypeScript application developer

Learn JavaScript first, add clear types, then validate external inputs and model changing state.

Explore the path →17 PUBLISHED LESSONS

Python problem solver

Start with syntax and collections, then build graph algorithms and resilient data imports.

Explore the path →13 PUBLISHED LESSONS

SQL reporting engineer

Learn selection and joins, define trustworthy reports, then use windows and cursor pagination.

Explore the path →20 PUBLISHED LESSONS

React application developer

Prepare with JavaScript, then study state transitions, accessible forms and request lifecycles.

Explore the path →