Coding Challenges

Featured Challenge

Build a Real-time Collaborative Code Editor

Create a web-based code editor that allows multiple users to edit code simultaneously, with syntax highlighting, real-time collaboration, and version history.

Prize Pool

$5,000

Time Remaining

14 days

Participants

342

Requirements

  • Real-time collaboration using WebSockets
  • Syntax highlighting for multiple programming languages
  • User presence indicators and cursor tracking
  • Version history and change tracking
Difficulty
Hard
Category
Full Stack
Your Progress25%
Intermediate
Full Stack

Build a Real-time Chat Application

Create a chat application with real-time messaging, user presence, and message history.

$1,000
2 days
243 participants
Progress65%
Hard
Algorithms

Optimize a Sorting Algorithm

Implement and optimize various sorting algorithms for large datasets.

$750
5 days
187 participants
Progress30%
Easy
Frontend

Create a Responsive Dashboard

Design and implement a responsive admin dashboard with data visualization.

$500
1 week
412 participants
Progress0%
Intermediate
Backend

Build a RESTful API with Node.js

Create a fully-featured RESTful API with authentication, validation, and documentation.

$1,200
Completed
156 participants
Progress100%
Expert
AI/ML

Create a Machine Learning Model

Build and train a machine learning model for image classification.

$2,000
Completed
98 participants
Progress100%
Intermediate
Mobile

Develop a Mobile App with React Native

Build a cross-platform mobile app with React Native and integrate with a backend API.

$1,500
Completed
176 participants
Progress100%