Looking for an expert for Sports Betting Site development

I am looking for a senior web developer who has the experience in developing a sports betting site. This isn't a development job. The candidate needs only to do the database design and Usecase design. This site has the following functionalities. - Sports betting centers centered on martial arts - Concurrent broadcast of live game on site The delivery system will be used here. [login to view URL] Video distribution in Pan-class combat sports. I'd like to mainly use betting. The setting of the odds is unique. Betting site development experience takes priority over certain people. Here is the reference url. [login to view URL]