Andrey Pyatko@VelikanSenior Backend EngineerFollow BadgesProblem SolvingCPP CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Node (Basic)VerifiedskillWork ExperienceVelikan has not updated employment details yet.EducationVelikan has not updated education details yet.LinksVelikan has not updated links details yet. SkillsVelikan has not updated skills details yet.