SRS Document for Food Delivery App

I'm looking for an experienced professional to create a Software Requirements Specification (SRS) document for our Food Delivery App. This document will guide future app updates.

We have a clear idea of the functionalities we want to add:

- Real-time order tracking
- Multiple payment options
- Loyalty rewards program

The SRS should cover Android and iOS platforms. Integration with third-party services is also required, including:

- Payment gateways
- Map/Geolocation services

Our web backend/admin was developed in Laravel, and the apps are built with Flutter for Android, iOS, and web platforms. We'll provide all the code to help you understand the current setup.

Ideal candidates should have:
- Experience drafting SRS documents for mobile and web applications
- Familiarity with Laravel and Flutter
- Strong understanding of app performance and user experience enhancements

If you can help formalize these requirements and provide any additional documents you suggest, I'd love to hear from you!