currently involved in everything related to:
Angular 6, RxJs 6, Electron, NodeJs Express (ugh), 
Python (flask, restplus, pandas, hurray), 
Excel-DNA, Web API, .NET Core, FinCAD.

historically, usually found myself doing everything related 
to c#, 
including sharepoint, biztalk, infopath, 
vsto (excel, word), asp.net, winforms, wpf, wcf, sql, 
xml/xsd/xslt, serialization.

pretty much immersed in financial industry, 
hedge funds these days.