Landscape Architecture

I am looking for a freelancer to help me with my project. I guess I am looking for a "Landscape Architecture", I need help with backyard design, and with the drawing and design that you provide, I will go find a contractor to complete the actual construction. The skills required are 3D Rendering, landscape Architecture, Home Design and Software Architecture, or my personal favorite, sketchup. I am happy to pay a fixed priced. My back yard is sloped, and I am planning to add basketball court, vegetation pot, retaining wall, walking path, patio, shed, etc. The whole purpose is to maximize the usage of backyard. If you are a "Landscape Architecture" student, you are more than welcome to apply. I think the the backyard is about 0.5 acre. As much as Flat surface as possible, so I can turn part of it to basketball court, and turn part of it to kids playground.(For this flat surface, I don’t need grass/lawn, concrete slab will do just fine. Maybe in the future, I will do swimming pool, or something else.) If Basketball Court. (Simply on Concrete or Asphalt, no pattern needed. 30ft by 50ft. I can just simply find a place on the flat surface and turn it in to a court.) A place to put a shed. (approximate W:10ft by L:12ft, prefer not blocking any view, perhaps in the corner?) Using retaining walls and planting area to lower and overcome the sloped yard. (I am planning to use this area to plant some vegetables, tomatoes, corns, green beans, etx.) Need to connect the side door to the patio area. Need to have walkway around the house. I don’t need any additional tree/plants in our backyard. There are plenty of trees and greens beyond our fence. We have to make sure the design can have proper drainage system. I will need your help to modify and work on the Sketchup file that I provide. Also need CAD drawing in scale/ plant and material list. Please review PPT before proposing, thank you.