Preslav is a software engineer at Dropbox for the past 3 years, contributing to various aspects of Dropbox’s infrastructure including traffic, performance and storage. He was part of the core oncall and storage oncall rotations, dealing with high emergency real world issues from bad code pushes to complete datacenter outages. Prior to Dropbox, he worked in VMware and a travel technology startup called Everbread. In his early career, he was interested in computer graphics and building games but later found there are challenging problems everywhere, especially in the clouds.