Denis Martyshov@martyshovRussiaFollow BadgesProblem SolvingJavaPythonDays of CodeDays of JSSqlRuby CertificationsCertificate: Python (Basic)VerifiedskillCertificate: Ruby (Basic)VerifiedskillCertificate: Python (Intermediate)VerifiedskillCertificate: Python (Advanced)VerifiedskillCertificate: Ruby (Intermediate)VerifiedskillCertificate: SQL (Basic)VerifiedskillWork Experiencemartyshov has not updated employment details yet.Educationmartyshov has not updated education details yet.