Hi there,
I go through your description and understood your requirement. I just start my freelancer courier, I would like to share my experience, I have 1 year experience in flutter and 2 year experience in Mobile application development. I have expertise in State Management, Firebase, Rest API, etc. personally I use MVVM structure for state management. I also maintain the quality as well as the timeline of the project.
I had done many project in my career like Dating app, Beauty app, management system, e-commerce, doctor-patient app, employee management app, etc.
I hope you like my proposal feel free for contact.
Thank you,
Avadh