Thinking of going back to school for software engineering at 35

Is it too late for me? I already have a bachelors and found a self paced degree I can transfer credits into. I really badly need a career change out of the unstable career I’ve been in, but I’m afraid at 35 it’s too late to start a new career in SWE. I’ve always been interested in it and building things but I’m afraid I’ll be looked down on or it’s too late - has anyone successfully made the switch later in life? Thanks for any input you can give.