Mobile FPS Game Development

I'm seeking an experienced game developer to create a third-person shooter FPS game for mobile platforms.

Key requirements:
- Third-person perspective gameplay
- Engaging and innovative FPS mechanics
- High-quality graphics and smooth performance on mobile and later add to pc
- In-game purchase options
- MMO - RPG
Ideal Skills:
- Proven experience in mobile game development
- Strong background in FPS game design
- Proficiency in Unity or Unreal Engine
- Excellent graphic design skills
- Ability to integrate in-game purchases

Please provide a portfolio with relevant projects.
Wanting graphics similar to this but alittle sharper and more colorful