Mobile development

Hello. I am a GIS expert and Web&Mobile developer. Since 10 years before I have been developing GIS applications. I graduated GIS special education course and I have rich experiences for development Desktop,Web and Mobile GIS applications. as a GIS developer, I can develop any kind of GIS application based on ArcServer,GeoServer and GoogleMaps,OSM,MapBox,PostGIS and PostgreSQL and MS SQL. I checked your requirement and as a GIS expert, I am very interesting in your project. if you should hire me, I can delivery anything what you want. I would like to heard from you. thank you.

lets do it ? what about the interface ?

we can make this app for you. We have made a chat app and a location app, please provide all the requirements, thanks.