Valery KholodkovValery Kholodkov is a seasoned IT professional with a decade of experience in creating, building, scaling, and maintaining industrial-grade web services, web applications, and mobile application backends. Throughout his career, he has worked for wellknown brands, such as Yandex, Booking.com, and AVG. He currently works for his own consultancy firm. Valery has a deep understanding of technology and is able to express its essence, advantages, and risks to a layman, which makes him an accomplished author of technology books. Read More Read Less