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Valery 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 well-known 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.