Unity3d Game Designer for Running Game

I am looking to hire Unity3d game developer for running game. I have a Subway running game source developed by Unity.I need update this games Design such as characters, terrains, and some UIs.Else, I I am looking to hire Unity3d game developer for running game. I have a Subway running game source developed by Unity.I need update this games Design such as characters, terrains, and some UIs.Else, I have several game ideas and logic sources, so I need to find a talent game designer for Unity.Please show me your past projects'...