Wireless Signal Processing PCB Design

i created an off the shelf prototype esp-32 device with 13 LED's that can be turned on via my cell phone, i need the project reviewed and the design (which consists of 4 small boards) reduced and combined... (Budget: $250 - $750 USD, Jobs: Circuit Design, Electrical Engineering, Electronics, Embedded Systems, PCB Layout, Prototyping, Signal Processing, Wireless)