Cross-Platform Service Selling App Development

I'm seeking an experienced mobile app developer to create a service-selling application available on both iOS and Android platforms. The app must include a comprehensive service catalog, an efficient booking system, and a customer reviews section.

Core Features:
- Service Catalog: A detailed, organized list of services offered.
- Booking System: An integrated system for scheduling and managing service appointments.
- Customer Reviews: A section for users to leave and read reviews on services.

Ideal Skills and Experience:
- Proven experience in developing cross-platform mobile applications.
- Strong understanding of user interface (UI) and user experience (UX) design principles.
- Familiarity with integrating booking systems and managing review sections within apps.
- Ability to deliver a high-quality product within budget constraints.

Please provide examples of previous work, particularly in the service-based app domain.