Auction & Bidding website, similiar to freelancer.com but with different features

I need expert to build a site with fully Search Engine Optimized. Professional quality and rich featured web auction marketplace where people can bid, buy or sell specific products (mainly 4). The auction website shall be packed with a lot of features, multiple payment gateways, Google maps integration, Facebook and Twitter integration, multiple currency support, custom fields, rating system, private messaging and many more great features. It has all the advanced features. It has a responsive design and that is why it looks and works great on mobile phones and tablets. The site shall come with a comprehensive back-end control panel, packed with a lot of features, for the auction posters as well as for the auction bidders, search engine optimized and ready to monetize. Auction categories can be customized for any niche. Locations can also be customized for global or local market. Multilanguage site.