I need a VR Developer to help me create an complex AltspaceVR world

I need somebody who helps me to create an own world at AltSpaceVR and also teaches me, how to do it. I would like to implement own 3D Objects via Unity and such. I have a clear Vision about a Galery and a meeting place, where I also could perform Music an a Piano. See drawing what kind of world I would like ti build.