I need to hire someone to design & develop a website that's responsive

I truly would like to invite you to join in building me a web-app with rich-media content. The web-app purpose is on one hand, to draw as many people as possible to the products of mine ( the mobile & web-based app for learning languages with the background & the design be like this https://lingvist.com/ ) and on the other hand, to show people articles about me & my philosophy of how to really learn & speak a language. Just inform me if you're interested ! Thanks you a lot !