Most of the time the work is trivial for all developers involved. But in some special cases, some developers might reach their limit while other don't. That is

Most of the time the work is trivial for all developers involved. But in some special cases, some developers might reach their limit while other don't. That is my experience. And most of the time, you can rely on the Master degrees to pull through. Although I once worked with someone without a degree, but he could do magic like no other programmer I met.