Everyday I dread going into work. How do I politely quit my job?
It's no longer satisfying to me. I cannot support a product that does not work and deal with situations from end users that could have been avoided if only the development team put in more work. I don't want my team to be left hanging though as they are short on people as it is. Suggestions?
Here's the thing. You're saying this to us, not your boss. You don't know how much some bosses want to know what the hell is going on if someone would just tell them.
Let your boss know how it is for you and what you see. People pay consultants big fees to come into companies just to ask you and then tell your boss.
So I suggest you take on The Rich Employee mindset (it's a great book by the way, and all of a buck on kindle so folks don't have to think too much about buying it).
So I'd let your boss know, and offer to help him get it sorted out. Maybe he's looking for someone just like you to light a match under the proverbial butt of the development team. Tell him in no uncertain terms you are willing to be that person. If you just suggest it, he might start looking for someone else and not consider you for the job.
And if your boss isn't interested, why should you have any interest in staying.
You have a choice here, “Either get busy living, or get busy dying.” You seem to be doing the latter. I think the former is more fun.