High-Frequency Trading App Development

I'm seeking a talented Indian agency, with a proven track record in developing trading applications, to create a high-frequency stock and F&O trading app. The app needs to be compatible with both iOS and Android, as well as a website version.

Key Features:
- User-friendly interface for seamless buying and selling of stocks.
- Comprehensive backtesting features.
- deploying strategies for automated trading
- Integration with registered demat accounts via APIs for automated trading.
- Use of TradingView for real-time market data feeds.

Trading Functionalities:
- Incorporation of automated trading bots.
- Provision for a manual trading interface.
- Inclusion of market analysis tools.

Security is paramount for this project. The app must integrate:
- Robust Two-Factor Authentication (2FA) for user verification.
- Biometric authentication options such as fingerprint or facial recognition.

Ideal candidates should be able to provide:
- A basic working demo of a similar trading application.
- Previous work examples in this domain.
- Details of similar projects they've completed.
All bids must come from Indian agencies.

The project should be completed within 3-6 months.