GIS and IT experience backend and frontent,
Development (C++/C#/Python/Javascript/Python / Unity for android)
Databases (Oracle, MS SQL, Postgres, MariaDB)
Scrapers (python and javascript on nodejs or Apify.com)
GIS ( QGIS , ArcInfo, ESRI MapObjects for old schoolers ;-) )
IBM Cognos Analytics etc
Microsoft IT system admin for 17 years and CISCO CCNA holder network engineer for 23 years
Author of automation of Athens Metropolitan Transportation Agency GTFS disseminating dataset for Google Transit back in 2011