Each track is 60 sequenced tasks built for one skill path. You can't pick wrong — you can only not start.
Ship a real app: React, APIs, auth, deploys.
Build a semantic HTML profile card
Flexbox layout gauntlet
State with useState
From NumPy to a deployed model endpoint.
Linear regression from scratch
Build a CNN for image classification
Fine-tune a language model
60 days of patterns, not 600 random problems.
Two pointer techniques
Binary search variants
Dynamic programming fundamentals
One React Native app, built screen by screen.
React Native setup and first screen
Navigation and tab bars
Native device APIs
APIs, databases, queues, and the ops around them.
REST API design and Express
Database schema design
Authentication and sessions