1. The ability to develop a solution within the tight confines of the problem. 2. Being able to recognize a bad design and improve upon it. 3. Not wanting to

1. The ability to develop a solution within the tight confines of the problem. 2. Being able to recognize a bad design and improve upon it. 3. Not wanting to re-invent the wheel every time the code base stinks. 4. The understanding that no problems in general might be new, but some specific problems inside a particular situation might be. 5. The importance of listening and taking into account the solutions others provide. 6. Being able to deliver. I have met too many full stack rockstars whose code never works and is as tight-coupled as melted cheese to bread.