Versatile Service App Expertise Needed

I'm seeking a talented developer to build a cross-platform app designed for service bookings. It's pivotal for the app to function seamlessly on both Android and iOS devices. My vision is an app where users can register, log in, request and book services, follow their requests with real-time tracking, communicate in-app, and receive push notifications. Integrating a payment system within the app is also crucial. Moreover, I want a feature where users can rate and leave reviews for services they've used. Ideal Skills Required: - Proficient in cross-platform mobile app development (Android & iOS) - Experience in user authentication systems - Familiar with implementing real-time tracking features - Expertise in in-app messaging protocols - Skilled in integrating push notification services - Knowledgeable in payment gateway integration - Ability to implement user feedback mechanisms Experience Needed: - Proven portfolio of similar service apps - High ratings and positive feedback on past projects - Strong communication skills In essence, the freelancer should have a track record of creating interactive, user-friendly service-based apps, with an emphasis on functionality and user experience.