I'm a similar age and working full time in a commercial role (in technology) but now 1 year into a 3 year part time Masters in software development as I'd like to improve my technical skills. I decided it would be good to continue doing what I'm doing, but dedicate my spare time work on the thing that could bring about change. It may not be for you, and it's probably a slower path to change, but it keeps the options open. Wishing you good luck addajones!