Custom Android Trading App for Broker 1

I'm in need of a skilled Android developer to create a custom trading app that can interface with my Broker Demat account.

Requirements:
- Custom Android app : I am looking for a fully functional, custom-built Android application.
- Trading Features: The app should be able to execute trades on Bank Nifty, Nifty 50, and other scrips.
- Broker Compatibility: The app should be compatible with Broker Demat account. Should have option to choose 1 of atleast 3 brokers configured.
- Security: Implement biometric login for added security.
- I should be able to choose number of strike price at below or above ATM. (i.e. 1 steps or 2 or 3 steps ITM or OTM strikes.. )
- Should be able to choose future weekly / monthly expiry dates for the respective trades.

Need a Quick button to quickly buy / sell and Exit the trade.

Real-time Profit and EOD reports is optional but will be appreciated.


Ideal Skills:
- Strong experience in Android development
- Prior experience with trading apps, especially with interfaces to broker demat accounts
- Knowledge of implementing Biometric login and other security features
- Good communication skills for regular updates and feedback
- Ability to deliver a reliable and efficient app within the agreed timeline