Flutter App Design and Implement - Normal MIS Client Server

I am looking for an experienced Flutter developer who can also assist me with the app design. Here's what you need to know: - Design: I don't have a ready-made design so you will be starting from scratch. Offering creative insights and actively participating in the design process will be part of your role. - Function towards customer (Customer App) A) Login/Register new screen B) Register New - data entry for personal details (no email validation required to validate user) C) Can book a appointment session with me (Use Calendar View) D) Can see up coming appointments E) Once appointment is complete - I will make some notes F) User should be able to see his previous session (Paging option) - Function towards me (My App) A) Login/Register new screen B) Dash board with calendar with existing appointment C) Go to the appointment session and make some notes D) I should be able to create an appointment for given customer E) Customer might not have his user (Walk-in) I should be able to create his user from this app F) I should be able to see given customer sessions regardless of who was the teacher (teacher might change for some one but current teacher might want to see what previous teacher wrote a note) G) All Existing records should be able to modify (but when modify - extra information shall be register saying why it was changed) Two Main Actors - customer - session giver (yoga teacher) Platform Web / Desktop both should support and work Desktop app shall work on Linux/Windows and Mac (All three) Architecture API based for data layer, that means I should be able to setup my database and data service layer separate from the application. Flat database structures (no google data base, no fancy data base) keep it simple and stupid Design Agilent and simple design - I would like to keep blue shades (tech - look and feel) - Target Audience: The app will cater to professional and business users. A successful candidate will have experience in tailoring app functionalities for this demographic. To meet the requirements of this project, the ideal candidate would need to demonstrate: - Proficiency in the Flutter framework. - Aesthetic skill and a good eye for design. - A clear understanding of the needs and expectations of business users. Your portfolio will vastly increase your chances if it demonstrates all the skills mentioned above. I am looking forward to your proposal.