Retaining Wall Construction

I need an experienced professional to design including drawings, materials and load calculations for a garden retaining wall over 2 meters high to prevent soil erosion.

Key requirements:
- Material selection (concrete blocks, natural stone, wood, etc.)
- Backfilling behind the wall
- Ensure stability and durability

Ideal skills and experience:
- Proven experience with high retaining walls
- Knowledge of drainage and erosion control
- Strong masonry or carpentry skills, depending on material

Please provide examples of past work and relevant qualifications.