Altium STM32 PCB & Firmware

I have an embedded-systems control project that needs a custom STM32 board designed from the ground up in Altium Designer, followed by a working, well-documented firmware build. What I already know:... (Budget: $8 - $15 USD, Jobs: Altium Designer, Arduino, C Programming, Electrical Engineering, Electronics, Embedded Systems, Internet of Things (IoT), Microcontroller, PCB Layout, STM32)