Build me an electronic device

Job ID: 34015579

Budget: $250 – $750 AUD

This purpose of this project is to extract a page from the POS machine and send it to an online cloud where the information will be stored in JSON format.
This device will have a QR code scanner, NFC card reader and also a keypad input, and all these will be used to identify the cloud ID where the information extracted from the POS system would be sent.

The firmware has been done (Python Language). I need someone who knows python language to add few features to the firmware and make a PCB design.