Need Casual unity games developer for andorid/ios

I'm looking for a casual unity games developer for IOS/Android devices. I need an endless runner game like Subway surfers (https://play.google.com/store/apps/details?id=com.kiloo.subwaysurf), Temple run (https://play.google.com/store/apps/details?id=com.imangi.templerun) with some modifications. I can not provide any design or assets, so you've to design/develop the end to end game by yourself. Project duration is flexible and budget can be negotiated based on the complexity of the project.
Thanks Aayush