TRACK: Prospective Architecture

Event sourcing in practise - lessons learned

We have all heard how great event sourcing is. We have read about how they solve all the problems and how easy it is. But how is it to work with? What is hard, easy and fun? And most importantly, why and when should you use event sourcing? In this talk, I will present the last two systems I was a part of building. The first a big system spanning over many teams, and the second a smaller built by the team I am in.​