Sergiy is experienced #pivorak speaker that always brings something interesting to discuss. If you have any doubts just watch one of most impressive talks of all #pivorak times:
https://youtu.be/u_M82SAfwMY
His goal today - diversify meetup humanitarian edition with a highly technical topic.
What is race conditions and how to test them?
He will explain what could go wrong if you are not using atomic operation in databases and how to deal with consequences.