Betfair API Integrated Betting Website

I'm looking to develop a betting website similar to [login to view URL] The site should be linked with the Betfair API, and include: - Live Betting: Users should be able to place bets on ongoing events in real time. - Cash Out Option: This feature should allow users to take a return on their bet before the event has finished. In terms of user authentication, the site should support: - Email and Password: Standard registration and login process. - Social Media Login: Users should be able to log in using their social media accounts. - Two-Factor Authentication: For enhanced security, this method should be implemented for user authentication. The site should support various types of bets including: - Single Bets: A bet placed on a single outcome. - Multiple Bets: A bet that combines two or more selections in one bet. - System Bets: A type of bet that allows for multiple combinations of selections. Ideal skills for this job would include experience with web development, knowledge of betting systems, and familiarity with the Betfair API. Please provide a portfolio of similar projects you've completed.