Either Bugs or Pull Requests

Here is how it goes, over and over again. I find a new developer for one of my projects managed by Zerocracy. He claims to be an expert with 10 years of hands-on coding experience, $60 hourly rate (we don't hire US guys), and fluent English. Then he joins the project and attempts to close a few tickets. But he hardly can. For many reasons. Then he comes back and explains why our microtasking methodology doesn't work, trying to convince me that I have to pay him per hour, instead of pe...