Drazen Nikolic has 17 years of experience developing Java enterprise applications. He has worked in various domains like e-commerce, insurance, digital marketing, social apps etc. Spring Certified Professional. Alongside working on client projects, he regularly prepares and executes various internal technical presentations and workshops. So far talked at Code Camp, Iasi, Romania, StartIT Fest, Belgrade, Serbia conferences, as well as at Seavus Code Talks events.