Realistic PC Horse Jump Racing Game

I'm looking for an experienced game developer to create a horse jump racing game for PC. The game will allow players to train and race their horses against others. The main game will be free, with optional payments for additional content.

Key Features:
- Realistic graphics style
- Single-player and online multiplayer modes
- Engaging training and racing mechanics

Ideal Skills and Experience:
- Proven experience in PC game development
- Strong understanding of realistic graphics
- Multiplayer game mode development experience
- Familiarity with free-to-play model and optional in-game purchases