Dota2 Gamble roulette/jackpot website with steam Api Bot

I am looking for a developer to help me build a new website that will work with dota 2 item using steam API. This site needs to be able to run steam API, steam bots and minigames effectively. You will need to build the website accordingly to what i consider ideal.
I would also prefer developers that will assist me with my needs after the development of the website, to help and guide me on how to manage and operate it.

It is important to me that you have prior experience with steam API, steam bots, and minigames. I would prefer if you have previously built one of these websites to fulfill what im looking for.

Please apply if only you have the expertise and skills.

The dota2 gamble site i would like to have will contain :
-Roulette (similar to https://d2d-roulette.com/)
-Coinflip (similar to https://d2d-roulette.com/)
-Chat(similar to https://dota2expert.com/)
-Login (through steam-API)
-Referral system
-Trade bot
-Deposit (similar to https://dota2expert.com/)
-withdraw (similar to https://dota2expert.com/)
-win/lose statistics for every user (similar to https://d2d-roulette.com/)
-Commission of 10% will be claimed (similar to https://d2d-roulette.com/)

Budget around $2000

Thanks in advance.