Ivan Soroko@ivan_sorokoRussiaFollow BadgesProblem SolvingSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experienceivan_soroko has not updated employment details yet.Educationivan_soroko has not updated education details yet.