Algo Trading Website Development

I'm seeking an experienced developer to create a comprehensive algorithmic trading website.

Key Features:
- Stock filter based on user-defined conditions
- Alert generation for key market events
- Trade execution capabilities
- Back testing of trading strategies
- User-defined strategy creation
- Role-based user management
- Dhan broker integration via API for data and trade execution
- Trade dashboard for real-time monitoring

Technical Requirements:
- Backend: Python
- Frontend: AngularJS
- Database: MySQL or any other open-source solution

Ideal Skills & Experience:
- Strong background in building financial or trading platforms
- Proficient in Python and AngularJS
- Experience with API integrations, especially with DHAN broker
- Knowledge of database management with MySQL or similar

Please provide examples of similar work done and your approach to ensure a secure and efficient platform.