Alexander Semenov@javsjjFollow BadgesProblem SolvingJavaPythonSqlRuby CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Python (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillCertificate: SQL (Advanced)VerifiedskillWork Experiencejavsjj has not updated employment details yet.EducationMoscow Institute of Physics and TechnologyLinksjavsjj has not updated links details yet. Skillsjavsjj has not updated skills details yet.