Konstantin Yemelyanov@airkostSoftware EngineerUnited StatesFollow BadgesProblem SolvingSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Python (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillWork Experienceairkost has not updated employment details yet.Educationairkost has not updated education details yet.