I've been in computer programming business for more than two decades, working on projects like:
-application for EU farm accounting (FADN methodology)
-application for calculating currency conversion tables, used by NLB, Slovenia's largest bank, including major re-factoring when Slovenia adopted EURO currency
-search engine for Slovenian companies (VAT registrants)
-distributed search engine for mobile portal
-early warning system (storm alerts)
-maintenance system for industry
-various corporate portals and intranet applications
and more...