Comprehensive Ride-Sharing App Development

I am looking for a seasoned app developer to create a ride-sharing platform similar to Uber with a multitude of key features.

Key Functionalities:
- Real-time ride tracking
- In-app payment system
- Driver and passenger ratings
- A robust safety system, including an SOS button
- Flexible ride options such as solo rides, shared rides, and scheduled rides
- Comprehensive Verification System

User Roles:
- Driver
- Passenger
- Admin

Platforms:
- The app needs to be developed for both iOS and Android.

Ideal skills for this job include:
- Proficiency in cross-platform app development
- Experience in developing ride-sharing applications
- Knowledge in implementing secure in-app payment systems
- Ability to create intuitive user interfaces for different user roles
- Skills in incorporating safety features in an app
- Experience in creating a verification system to ensure user safety and authenticity.

Please provide samples of your previous work related to this project.