I work for almoust 17 years in c++ (Visual C++) in GIS fiels area. This involve high skill in matemathics, algoritms, and database. Also I work with satelite images, ortophotos, GPS. Software was ESRI ArcGis, ArcView and Bentley Microstation, Map Window In 2014 I swich to Phyton and QT over QGIS I'm able to work with GitHub.