Consultancy needed for Online housing society Map on top of Google Maps

I want consultancy for a project via voice call / remote session. Please only apply if you have done similar project by sending me its link or showing prototype. I want to understand which tools will be used and how the system will be designed… (Budget: $10 – $30 USD, Jobs: API Integration, ArcGIS, ArcMap, AutoCAD, Cartography & Maps, Geographical Information System (GIS), Geospatial, Google Maps API)