I moved from tech recruiting to swe at ~29 so pretty close to 30. Wife transitioned to a new career around the same age. I know a ton of people who have done it

I moved from tech recruiting to swe at ~29 so pretty close to 30. Wife transitioned to a new career around the same age. I know a ton of people who have done it between 25-40. > No confidence. No motivation. This is your biggest issue. You need to do some research and figure out what you are interested in doing/learning about.