Need flutter app developer

Need a team of developers who can work on flutter mobile app as frontend and Node.js as backend
Knowledge of BLE is must as it needed in one of the module


Mobile App:
Login Screen
Work Order/ Service Order/ Salse Order Screen
Signature Capture for individual orders
Access Camera to attach a pic to an order
Voice-to-Text to be used to attach as a NOTE to an order
This app needs to allow users to login and access the ORDERS Assigend to them [orders are assigne via the Web
Service we have built]
The user needs to be able to edit [if neccessary] the orders assigned to them
They need to get a signature from the customer for the order
The app needs to use the Voice-to-Test so the Technician can add a NOTE to the order
The app needs to use the camera to ATTACH a picture [or several] to the order
The app needs to access the GPS to allow the users position to be viewed on the Web Service Dispatch Screen, we
have built this all ready.