lab test booking app

I'm looking for a proficient app developer to build a mobile E-commerce app that caters primarily to service sales. The app should be designed for both iOS and Android platforms. Key Requirements: - The app should have a user-friendly interface, allowing easy navigation for purchasing services. - Secure payment gateways integrated within the app. - Functionality for service providers to list their services. - Integrate geo-location services for users to find providers based on their location. - Incorporate a chat feature to enable communication between users and service providers. - Build a booking system allowing users to schedule services in advance. - Enable push notifications to inform users about service updates, promotions, and news. Ideal Skills and Experience: - Proven experience in E-commerce app development. - Expertise in cross-platform mobile app development. - Prior work with service-oriented apps is a plus. The app should include user authentication via phone number. The user interface should follow a colorful and vibrant design style.