Elena Tikhonova@helenkaFollow BadgesProblem SolvingCPPJavaPythonDays of CodeDays ofStatisticsSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Java (Basic)VerifiedskillCertificate: Java (Intermediate)VerifiedskillWork Experiencehelenka has not updated employment details yet.Educationhelenka has not updated education details yet.Linkshelenka has not updated links details yet. Skillshelenka has not updated skills details yet.