Remove the top soil, stones and level it

I need to get the soil and stones removed from my back garden. Following are the tasks part of this job: - Take out the top layer of soil - There are some rocks/stones underneath. This should also be removed. - Putting a new layer of compost and soil - Level the ground Attaching the image of my back garden. I am flexible in terms of the day but I would like to get this done by this week. I will arrange the compost, garden soil and the skip. But the person doing the job need to get their own equipments. We have a side entrance for our house.