I need a landscape designer

I have a big back yard that is pretty plain. We have a limited budget so we would like to design and then cost it out over multiple years as well as do a lot ourselves if we can. We would like an above ground pool, hottub, surrounding deck, grass area for lawn bowling, sitting and dining area on the patio kitchen area including bbq and pizza oven, large swing bed under 2nd floor patio, fire pit and a pavilion over the living/dining area.