Real-Time Crypto Tracking Web App

Crypto Currency Live Price Tracking Web Application

Project Overview

I am looking for an experienced full-stack web developer to build a modern, responsive cryptocurrency tracking web application. The application should allow users to monitor live cryptocurrency prices, market trends, and detailed coin information in real time.

Important: The project should use free public APIs only. Please do not use any paid APIs or services that require expensive subscriptions. The solution should be built around reliable free-tier APIs.

Core Features

Dashboard

* Modern and responsive UI
* Display top cryptocurrencies by market capitalization
* Live price updates
* 24-hour price change (percentage and value)
* Market capitalization
* Trading volume
* Circulating supply
* Last updated timestamp

Cryptocurrency List

* Search cryptocurrencies by name or symbol
* Sorting by:
* Market Cap
* Price
* 24h Change
* Volume
* Pagination or infinite scrolling
* Favorite/Watchlist functionality

Coin Details Page

* Coin logo and basic information
* Current price
* Market Cap
* Rank
* 24-hour High/Low
* All-Time High (ATH)
* All-Time Low (ATL)
* Historical price chart
* Supply information
* Links to official website and blockchain explorer (if available)

Live Market Updates

* Automatic price refresh every few seconds/minutes
* Market status indicators
* Trending gainers
* Trending losers
* Most traded cryptocurrencies

Charts

* Interactive price charts
* Time filters:
* 1 Hour
* 24 Hours
* 7 Days
* 30 Days
* 90 Days
* 1 Year
* Responsive chart design

Watchlist

* Add/remove favorite cryptocurrencies
* Save watchlist for logged-in users
* Quick access from dashboard

Authentication (Optional but Preferred)

* User Registration
* Login
* Forgot Password
* JWT Authentication
* Profile Management

Responsive Design

* Desktop
* Tablet
* Mobile

Admin Panel (Basic)

* Manage users
* View application statistics
* Configure API settings
* Manage announcements/news (optional)

Technical Requirements

Frontend:

* React.js (preferred) or Next.js
* TypeScript preferred
* Responsive UI
* Modern dashboard design

Backend:

* Node.js / Express, Spring Boot, or another suitable backend framework
* REST APIs
* JWT Authentication (if login is implemented)

Database:

* PostgreSQL
* MySQL
* MongoDB (any suitable option)

API Requirements

Please use free cryptocurrency APIs only. Examples include:

* CoinGecko API (Free)
* CoinCap API
* Binance Public API
* Kraken Public API
* Coinbase Exchange API
* CryptoCompare Free Tier (if within free limits)

The application should be designed so APIs can be easily replaced in the future if required.

Performance Requirements

* Fast loading dashboard
* API response caching where appropriate
* Clean architecture
* Error handling
* Loading indicators
* Responsive design
* SEO-friendly pages (if using Next.js)

Deliverables

* Complete source code
* Database schema
* API integration
* Deployment instructions
* Installation guide
* Environment configuration
* Clean and well-documented code

Please Include in Your Proposal

* Fixed project price
* Estimated timeline
* Technologies you recommend
* Similar cryptocurrency or finance projects you’ve developed
* Suggested free API(s) you plan to use
* Post-launch support details

I am looking for a developer who can build a clean, scalable, and production-ready cryptocurrency tracking web application using reliable free APIs only, with no dependency on paid API subscriptions.