Unity 2D isometric level designer — build a raid map from my layout plan + provided tileset

Hi all, I'm a solo hobbyist dev working on a 2D isometric extraction shooter in Unity (zombie / post-apocalyptic setting, PvE, top-down isometric). I'm handling the code and systems myself, but level design is not my strength, and in this genre the map is the game. So I'd rather pay someone who kno...