Modern Concrete Backyard Patio

I'm seeking a professional to design and build a modern-style concrete patio in my backyard. The project should incorporate steps and a knee wall.

Ideal Skills:
- Expertise in modern patio design
- Proficient in working with concrete
- Experienced in building steps and walls
- Knowledge of landscaping and garden design
- Experience with water drainage solutions
- Familiarity with local building regulations

Please provide examples of your previous work, particularly if you have designed modern patios.