BUILD HYBRID APP WITH FLUTTER

I have an app I call a concierge in the pocket; it has rideshare, flight booking, car rental, payments, accommodation, finding places of interest, and delivery(package, food, and grocery). The previous designer MESSED the design up, and now we are two weeks from launch, and the UI is not good enough for launch. I HAVE ALREADY ENGAGED A TEAM OF UI/UX EXPERTS WORKING ON THE DESIGN, AND I NEED A TEAM OF FLUTTER DEVELOPERS TO CODE THE DESIGN INTO FLUTTER. Would you mind reading this description well? I don't want loners who will ask for the time I don't have. I PREFER A TEAM. The app has a user (rider) app with about 85 – 98 screens and a driver app with about 75-85 screens. Approximately 31 screens have been designed, and over the next couple of days, the designers will add additional screens. I will share more details with the team I hire for the project. ***MUST BE A TEAM***