electronic and programming development

Hello, I am looking for a freelancer to help with a project that involves electronic and programming development. Specifically, I am looking for someone to help with full system development. I am open to suggestions regarding the specific platform and technology that may work best for this specific project, we think of Nano Pi to communicate with Thermal camera (rs232), we need to make communication and show the pixels on the LCD screen + be able to access that pixels from Nano PI externally via ModBus RS485 (PLC), PCB can be alternatively developed from beggining using for instance STM32 microcontroller. The turnaround time for this project is 1-3 months. Therefore, I am in need of a freelancer who can work efficiently and within the given parameters to ensure that the project is completed in a timely manner.