Sergei Frolov@frolov604Frontend developerFollow BadgesProblem SolvingJavaDays of CodeSql CertificationsCertificate: CSS (Basic)VerifiedskillWork Experiencefrolov604 has not updated employment details yet.Educationfrolov604 has not updated education details yet.LinksLinkedinhttps://www.linkedin.com/in/sergei-frolov-604/ Skillsfrolov604 has not updated skills details yet.