EdgeCase

What is inside

Language tracks

JS, React, DSA, and the rest of the catalog, in order.

• JavaScriptThe language in the browser
• ReactInterfaces and state
• DSAInterview problems

Papers you implement

You write the core code from each paper. Then you read the rest of the PDF.

Track what you finish

XP, streaks, papers, and projects stay on your account.

1240 XP

4 Projects

4 Papers

12 Streak

Built for learners at every stage.

1. 1

   CS students

   You learn a concept and write a working program in the same sitting.

2. 2

   Interview prep

   You practice interview problems and ship a project you can show.

3. 3

   Self-taught builders

   Short lessons you can finish on your own schedule. You write the code.

Languages and frameworks

Python

Scripts, data work, and small tools.

JavaScript

How the language works in the browser.

TypeScript

Types for JavaScript. Large apps stay correct.

React

Interfaces that update when state changes.

Next.js

React apps with real pages and server data.

Node.js

JavaScript on the server.

Ruby

Readable web apps.

Go

Small services that handle a lot of traffic.

C++

Programs where memory and speed matter.

Machine Learning

How models train and why they work.

AI Engineering

Build agents with system prompts, tools, skills, and reliable workflows.

AI papers you implement

You write the core pieces of well-known papers.

Attention Is All You Need

You write scaled dot-product attention. This is how a Transformer uses context.

Distilling the Knowledge in a Neural Network

You write a student-teacher training loop.

Deep Residual Learning for Image Recognition

You write a residual block with a skip connection.

BERT

You write the pretrain step that reads a sentence both ways.

Hire projects

The catalog includes real projects from well-known companies. Use them in a portfolio.

• Recommendation ranking
• Checkout cache
• Todo List API
• and more