You're paid by a company to create software, so they can use it to drive business value and make a profit. You did so effortlessly. But it didn't make you feel personally fulfilled. So you're going to go back and re-do it, so you feel better?

How do you think your company's CEO is going to feel when you tell them you could be finishing the software much faster, but you'd rather not, because it feels better to do it by hand?