Sergey Kovalyov@skovalyovFollow BadgesProblem SolvingDays of Code Certificationsskovalyov has not earned any certificates yet. Work ExperienceSoftServeEducationskovalyov has not updated education details yet.LinksLinkedinhttps://www.linkedin.com/in/sergey-kovalyov-47299710 Skillsskovalyov has not updated skills details yet.