All Services Programming & Development Programming & Software Chat app development $50/hr · Starting at $1K Highly skilled and energetic engineer, and I deliver excellent service built upon an open dialogue with my clients.I developed live chat application which contains public/private rooms and functionalities of direct messages, text/file message, voice message, and image/gif file preview.I can develop real time chat app and able to integrate with live site. About $50/hr · Ongoing Download Resume Highly skilled and energetic engineer, and I deliver excellent service built upon an open dialogue with my clients.I developed live chat application which contains public/private rooms and functionalities of direct messages, text/file message, voice message, and image/gif file preview.I can develop real time chat app and able to integrate with live site. Skills & Expertise APIApp DevelopmentIntegrationJavaScriptJSONLiveChatOpen SourceProgrammingRuby on RailsRubyGemsSoftware DevelopmentSQLVersion ControlVoice-OversWebSocket 13 Reviews EM101 says, Great UI work like always... for Full-stack developer - React on Apr 01, 2023 EM101 says, Great UI work.. for Full-stack developer - React on Mar 24, 2023 EM101 says, Great work like always. for Full-stack developer - React on Mar 22, 2023 EM101 says, Excellent job like always. Look forward on continuing working with ZhengShi. for Full-stack developer - React on Mar 14, 2023 EM101 says, Great job like always. Highly recommend ZhengShi. for Full-stack developer - React on Mar 09, 2023 Sign up or Log in to see more. Browse Similar Freelance Experts Web DevelopersJavaScript DevelopersE-Commerce ExpertsPHP DevelopersRuby on Rails DevelopersComputer ProgrammersSQL DevelopersMathematics ExpertsMachine Learning EngineersWeb Application DevelopersAPI Integration DevelopersJSON DevelopersMongoDB DevelopersTypeScript DevelopersNode.js DevelopersSoftware DevelopersVoice Over ArtistsData Visualization ServicesReact Native DevelopersBlockchain DevelopersMagento DevelopersAPI DevelopersIonic DevelopersObject Oriented Programmers