Need a Professional EXPERT in PHP - JAVA - JSON - XML - CMS and API INTEGRATION

Dear Freelancers, We need a Professional EXPERT in PHP - JAVA - JSON - XML - CMS and API INTEGRATION to build a stable and reliable Sports betting/Casino site for us, so we can run everything from one back office. We will provide the Sport betting odds feed's in JSON format and the Casino API. We also will provide Templates for the Desktop and Mobile sites, and for the Admin. Your job will be to create a strong CMS Admin according to our specific needs. And to also create the Desktop and Mobile websites as we need them to be, regarding look and feel. You will need to create and implement everything as we need it to be, we would guide you every step of the process what we expect as a final product. THIS IS NOT FOR BEGINNERS - This is a BIG and SERIOUS betting site project !! WE WOULD PREFER A PERSON WHO HAS DONE A SIMILAR BETTING SITE PROJECT. Money will only be released if the FINAL product is as we need it to be. We would guide you how we need everything to function and look. Thank you.