Isometric Bullet Hell RTS Demo

I'm looking for someone familiar with Unity or another 3D game engine to create quick mock-ups of game mechanics. I am still experimenting with ideas for a game but I want to play test a simplified version of the core game mechanics to make sure the concept works. I will want further development down the road so ideally you would be fine with taking multiple small projects leading to a larger one, but since these are just prototypes it's not required.

I can go into more detail, but the overview is an isometric bullet hell mixed with RPG / RTS mechanics. I am looking for a prototype to test how these mechanics work together including:

- geometric bullet pattern generation (think Touhou, this can be basic for testing)
- Isometric movement controls and aiming (this will require some testing to find out what method works best)
- Ally AI movement and positioning based on target zones (think Age of Empires formation controls)
- Enemy AI movement and positioning (choosing when to move to cover, choosing to stand behind allies, choosing to blob together or spread out)

Key Requirements:
- Core Mechanics: Isometric bullet hell elements mixed with RTS control systems.
- Platform: PC
- Graphics: Prototyping art can be representative; non-critical but welcome.

Please provide a portfolio showcasing relevant experience.