i can do it for you . I have designed many devices such as DC/DC converters, Motor drivers, Smart watch, Medical device, PCB antenna, and wireless IoT devices.
circuit and PCB design: Altium, Eagle, and KiCAD. All schematics, PCB, BOM, Gerber, and step files are provided.
Firmware core: PIC, Atmega, Arduino, Raspberry Pi, ESP32, Nordic, FPGA, ARM, STM32,DSP, PLC, etc.
Simulation: Proteus, LT-spice, Mutisim, Matlab, Simulink, and Labview as well.