Please, I am a Startup in within city grocery delivery, so I need an experienced developer to create web page and app with interactive website that would look like this **Edited for Community Guidelines**. Web page will include database for member profiles, active calendar, payment processing, mobile app interaction for Android and Apple operating platforms.
You can post a job and hire a freelancer to complete the task you mentioned. I see that you already have an Upwork account. Please log in to your account and follow the instructions on how you can add a client account if you don't have one yet and post a job as explained in here, verify your payment method, review the proposals you receive, hire a freelancer to complete this work for you and process the payment as explained in these two articles: Hourly Contracts and Fixed Price Contracts.