This article makes a strong case for that. Things like "grab me before you check this in" and "we need a design fix-it day" are indicators that this problem ha

This article makes a strong case for that. Things like "grab me before you check this in" and "we need a design fix-it day" are indicators that this problem has a high communications cost between the designers and engineers who have to implement those designs. Companies who observe symptoms like this should consider hiring a designer/engineer instead of having those two separate people. Yes, the combined person will be more expensive but they will just do the same work in a fraction of the time.