Mobile app for booking palletes withdrawal booking request

I am looking for an Mobile app developer to create an app for booking of withdrawal request.

I am open to suggestions for the design and layout of the app. Preferred Technology is Flutter for Mobile App & Node Js for Backend.

Currently, I don't have any specific ideas in mind, so I am looking for a developer who can provide design options and recommendations.

I am looking for a developer who can deliver the app within this timeframe.