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 5 Reviews EM101 says, Good job like always for Full-stack developer - React on Jan 31, 2023 EM101 says, Awesome job. Delivered as promised. Great work and communications. for Full-stack developer - React on Jan 11, 2023 EM101 says, Great communications. I look forward to continue working with Zhengshi, for Full-stack developer - React on Dec 15, 2022 EM101 says, Great communicator. Looking forward to working with ZhengShi again. for Full-stack developer - React on Dec 09, 2022 EM101 says, good communicator.. just started working with him. for Full-stack developer - React on Dec 08, 2022 Browse Similar Freelance Experts Web DevelopersRuby on Rails DevelopersJavaScript DevelopersPHP DevelopersE-Commerce ExpertsComputer ProgrammersNode.js DevelopersMachine Learning DevelopersMongoDB DevelopersSQL DevelopersSoftware DevelopersJSON DevelopersMathematics ExpertsData AnalystsBlockchain DevelopersShopify DevelopersVoice Over ArtistsAlgorithm DevelopersData Modeling ExpertsStripe API DevelopersObject Oriented ProgrammersMagento DevelopersWeb Application DevelopersE-Commerce Website Developers