But hell, the unconventional is increasingly becoming the conventional. Some of the best advice I ever received was from a doctor I had when I was young. He was an old Jamaican man who went from the slums of Kingston to Chemical Engineering in the US to a practicing MD (physician, general practitioner) in a small town in Canada. He just said (kind of what you'd expect from a Jamaican man): not to worry about anything.
Just do things, make messes, clean them up, do more things. You just might do some good in the process.
In the modern dev shops now the soft skills you've developed in the additional years you've had before getting into development will give you quite an advantage since 99% of places aren't just heads down coding anymore.
Where I've found I have a disadvantage is in my non-work commitments and free time outside of work. The younger guys can spend their evenings and weekends working on side projects, going to hackathons or just learning something new, whereas I come home to the family and try to spend quality time with them, do my share of the work in the upkeep of the house, yard, etc.
We only get one shot at life so you're never too old for anything in terms of what you want to spend 40+ hours a week doing to finance your life.
Just be willing to learn from those who are more proficient than you, even if they are younger.
You'll soon catch up.