All Services Programming & Development Apps & Mobile Mobile App Development $25/hr · Starting at $250 Developing new features and user interfaces from wireframe modelsEnsuring the best performance and user experience of the applicationFixing bugs and performance problemsWriting clean, readable, and testable codeCooperating with back-end developers, designers, and the rest of the team to deliver well-architected and high-quality solutions About $25/hr · Ongoing Download Resume Developing new features and user interfaces from wireframe modelsEnsuring the best performance and user experience of the applicationFixing bugs and performance problemsWriting clean, readable, and testable codeCooperating with back-end developers, designers, and the rest of the team to deliver well-architected and high-quality solutions Skills & Expertise App & Mobile ProgrammingApp DevelopmentDesignMobile DevelopmentPerformance EngineeringQuality AssuranceResponsive Web DesignREST APITeam ManagementUser Experience DesignWireframes 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts Performance EngineersUser Experience (UX) DesignersWeb DesignersMongoDB DevelopersWireframes DesignersMySQL DevelopersWordPress ExpertsContent ManagersCMS (Content Management System) ExpertsPHP DevelopersData ManagersWeb Hosting ServicesBack End DevelopersREST API ExpertsDatabase DesignersWeb DevelopersDesignersMicrosoft SQL Server ManagersSQL DevelopersAnalytics ExpertsServer AdministratorsFront End DevelopersDatabase DevelopersTransact (T SQL) Developers