decision and risk analysis methods,
discrete event simulation systems,
business intelligence (dashboard) application based on (?)SQL,
optimization model (thanks god it just mix-integer),
e-commerce market analysis for a (the..) range of products,
process optimization on a manufacturing company,
but -also- interested in, and learning ..
some linux stuff,
the docker containers,
web powered applications,
internet connected devices (+industrial iiot)
-btw, ESP32 is wonderful to work with!-
and a -lot of- other stuff, at the same.
it's may seem not a good idea to branch your expertise, and all your focus on lots of -in some point different- things, but, it advantage one to think logical more then ever.
this post mean nothing, but just to share my busyness.