Trading Chart Simulation Platform (Web, Mobile & Backend)

We are looking for an experienced Full-Stack Developer or Team to develop a Trading Chart Simulation Platform for Web and Mobile.

**Key Requirements:**

* User Registration & Login Authentication
* Wallet Management System (Virtual Funds)
* Integration with Free Historical Market Data APIs
* TradingView Charting Library Integration
* Chart Replay / Market Simulation Functionality
* Buy/Sell Order Simulation
* Trade History & Performance Analytics
* Responsive Web Application
* Android & iOS Mobile Applications
* Scalable Backend APIs and Database

**Preferred Technology Stack:**

* Frontend: Flutter (Mobile + Web)
* Backend: Python (FastAPI) or Node.js
* Database: PostgreSQL/MySQL
* TradingView Advanced Charts Integration

**Expected Deliverables:**

* Complete Source Code
* Backend APIs & Documentation
* Web Application
* Android & iOS Applications
* Deployment Support

The platform should allow users to practice and test trading strategies using historical market data in a realistic trading environment without risking real money.