build crowdfunding website

please send me the link to test your demo first im looking to developer who can build a crowdfunding website with all related social shares, the website has to have english, Arabic and other languages. you have to have built a website before and show me the user and back end script demo to try it. you will need to install the site and customize it to my needs within 3 days from accepting the project. or no payment will be done i will deposit 25% in escrow only until everything is ready with testing and the rest when the site is ready for upload in my server. no release of escrow until the site is tested and passed the test with all features working