Window Cleaning App Development

I'm looking for an experienced mobile app developer to create a platform for my window cleaning startup. The app needs to be developed for both iOS and Android.

Essential Features:
- Payment Gateway: To facilitate payments and connect individual window cleaners to customers.
- Booking System: Customers can book our services, and we will assign cleaners from our list.

Ideal Skills & Experience:
- Proficiency in mobile app development for both iOS and Android platforms.
- Experience integrating secure payment gateways.
- Familiarity with building robust booking systems.
- Prior experience in developing service-based mobile applications is a plus.
- Strong UI/UX design skills to ensure an intuitive user experience.

Please include examples of similar work in your bids.