I have (almost) a PhD in physics and now work for a company developing high-frequency testing equipment. I do mostly software development, i.e. developing the f

I have (almost) a PhD in physics and now work for a company developing high-frequency testing equipment. I do mostly software development, i.e. developing the firmware running on the devices. It helped that I worked with quite a lot of high-frequency test devices during my PhD and had some experience in software development.