Before becoming a web developer I worked as an embedded systems dev for a few years. That experience left me with valuable skills in data structures (Everything is C), understanding how a processor works and executes instructions and hardcore debugging.
Not sure if I would recommend building a career in embedded but you will start learning transferable skills doing it in your free time.
Not sure if I would recommend building a career in embedded but you will start learning transferable skills doing it in your free time.