Android and iOS App Development with Essential Features

I'm in need of a skilled Android app and iOS app developer to create a robust application with the following features:
- OTP Login: Implement a secure and efficient One-Time Password login system.
- Profile Management Module: A user-friendly interface for users to manage their profiles.
- Product Management Module: A backend system to manage products effortlessly.
- Geo Location Module: Incorporate geofencing and location-based notifications.
- Payment Processing Integration: Integrate Razorpay for smooth transaction processing.
- Notifications: Implement push notifications, email notifications, and SMS notifications.

Ideal Skills and Experience:
- Proficient in Android app development.
- Extensive experience with OTP systems and profile management modules.
- Strong background in product management systems.
- Expertise in integrating geolocation features such as geofencing and location-based notifications.
- Skilled in integrating payment processors, particularly Razorpay.
- Experience in implementing various types of notifications.

Your goal will be to create a secure, engaging, and user-friendly application that meets all the outlined requirements.