All Services Programming & Development GIS Development $30/hr · Starting at $250 Using open source technologies, I can build map based complex software programs. References are available upon request. About $30/hr · Ongoing Download Resume Using open source technologies, I can build map based complex software programs. References are available upon request. Skills & Expertise Backbone.jsCSSCSS3GeoServerGISHTMLHTML5JavaOpen SourceReactSoftware Design 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts GIS SpecialistsCSS DevelopersJava DevelopersOpen Source DevelopersHTML DevelopersReal Estate Website DevelopersReal Estate AppraisersBackbone.js DevelopersWordPress ExpertsDesignersJavaScript DevelopersHTML5 Developers