Modern Website & Platform Development

I need a skilled web developer who can take a concept for a new website, app, or full-scale platform and turn it into a production-ready product. The scope is broad: it may be a business or corporate site,... (Budget: $250 - $750 USD, Jobs: AngularJS, API Development, Backend Development, Frontend Development, NoSQL Couch & Mongo, PHP, Web Development, Website Design)