Stock Trading Algorithm Development

I'm seeking an experienced developer to create an algorithmic trading application for stocks. The application should be able to integrate with various trading platforms or brokers, as specified by me.

Key requirements:
- Algorithm to trade stocks
- Integration with multiple trading platforms/brokers
- Customizable trading strategies

Ideal skills and experience:
- Proficiency in algorithm development
- Experience with stock trading
- Knowledge of trading platforms and APIs
- Strong programming skills (Python, C++, etc.)
- Familiarity with financial markets and trading strategies

Please share your relevant experience and approach.