I have experience in Embedded Development and Software Development.
I worked on below subject:
-ERP Business Solution
He seemed to know his stuff and was enthusiastic about the job. There were some challenges with the project because it involved writing firmware for hardware which he did not have access to. It ended up being more of a collaboration than I expected, since I had to be involved in the troubleshooting, testing, and debugging the code based on data that I read off the hardware.