Extract data from an application, create a transmission system with ESP32 and a 12V 16 channel relay module. h

Extract data from an APP (I don't have the application's source code.), create a communication system between the APK and a 12v 16 channel relay with ESP32. Wi-Fi data transfer. Must have knowledge of Parameter Group Number (PGN), CAN communication, Wi-FI. PCboard design, and firmware creation.

I'm looking for someone who has dedication, easy communication.