I'm looking for a skilled app developer to create a single vendor grocery and gifts delivery quick commerce app, available on both iOS and Android platforms. The app should include the following core features: - Product Catalog: Users should be able to browse a comprehensive list of available grocery and gift items. - Shopping Cart: An intuitive shopping cart for users to add and modify their selected items. - Order Tracking: Real-time tracking of their orders until delivery. User authentication should be secured via phone number verification. Ideal Skills and Experience: - Proficiency in mobile app development for both iOS and Android - Experience in integrating secure phone number verification - Strong UI/UX design skills for a seamless user experience - Background in developing e-commerce or delivery apps is a plus Please provide examples of previous work and estimates on time and cost. Looking forward to your proposals!