Hello Dear. How are you? I have read your project in detail and understand what you want.
I am an Unity expert, and so I think that your task is a proper job for me.
Please check my profile. https://www.freelancer.com/u/RyuMaster
I have good experience in game/AR/VR development using Unity3D for 8 year. My mian skill is Unity C# Programming, Unity 3D Scene Design, Multiplayer programming, Integration of SDK such as OpenCV, EasyAR, Vuforia, Firebase and so on into Unity3D, AR/VR development with Unity3D and so on.
I have used c# to make many apps. At the meantime, I have used many c# packages like json, ayncronous communication, and so on.
I hope you read carefully my bid and work with me.
I will always wait you online.
Best Regard!!
From Konstantin~