G.Penkov is Sofia University and National High School of Maths alumni. Has a professional experience dating back to the nineties and more than 1200 hrs of teaching experience in Sofia University, and Bulgarian university. Among the topics he teaches are such as database design, data structures and modern JS. Is keen about optimization of workflow, and is willing to share use cases and general thoughts about integration of business systems of different kinds. Among the pioneers of the Perl community in Bulgaria. Honorable member of BASD and ASD. The author is open to questions before and after the session.