All Services Programming & Development Proof of concept product development $50/hr · Starting at $500 - Have immense expertise in proof of concept product development using spring / hiberate, ruby on rails, php, wordpress etc. About $50/hr · Ongoing Download Resume - Have immense expertise in proof of concept product development using spring / hiberate, ruby on rails, php, wordpress etc. Skills & Expertise PHPProduct DevelopmentRuby on RailsWordPress 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts Product DevelopersSQL DevelopersWordPress ExpertsPHP DevelopersJava DevelopersSpring Framework DevelopersApache Hive DevelopersRuby on Rails DevelopersHTML DevelopersAnalytics ExpertsMarketersJSP DevelopersEmail MarketersCSS Developers