PC First-Person Climbing Adventure

I'm looking for an experienced game developer to create a rock climbing simulator for PC. The game should be in first-person perspective, focusing on adventure and exploration.

Key Requirements:
- Realistic rock climbing mechanics
- Expansive, detailed environments to explore
- Engaging adventure elements

Ideal Skills:
- Experience with 3D modeling and animation
- Strong understanding of physics in gaming
- Proficiency in game engines like Unity or Unreal Engine
- Creative level design

Please provide a portfolio and any relevant experience.