Deck Roof Addition

I need a pitched roof added over a medium-sized deck (150-300 sq ft) on the front of my house. The roof should be made of shingles. Ideal skills and experience: - Roofing expertise, especially with shingles... (Budget: $250 - $750 USD, Jobs: AutoCAD, Building Architecture, Building Design, Civil Engineering, Construction, Home Design, Roofing, Structural Engineering)