Gable Roof Patio Cover

I need a skilled engineer to design a covered patio over my existing deck. The patio should be attached to the second-floor rim joist of the house using heavy decorative brackets.

Key requirements:
- Gable roof design
- Roofing material: shingles
- Support posts: wooden
-Underside of roof structure should be open beam, (no trusses)

The entire footprint of the patio should be approximately 20x20 feet.

Ideal skills and experience:
- Experience with gable roof construction
- Roofing installation with shingles
- Strong carpentry skills, particularly with wooden structures

Please provide a portfolio with similar projects and an estimated timeline for completion.