Alena Korney@krotova_a_oRussian FederationFollow BadgesProblem SolvingJava CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experiencekrotova_a_o has not updated employment details yet.Educationkrotova_a_o has not updated education details yet.