Sergey T@zelr0xRussian FederationFollow BadgesProblem SolvingCPPJavaPythonDays of JSDays ofStatisticsSqlC language CertificationsCertificate: Java (Basic)VerifiedskillCertificate: Python (Basic)VerifiedskillCertificate: Java (Intermediate)VerifiedskillCertificate: C (Basic)VerifiedskillCertificate: C (Intermediate)VerifiedskillCertificate: C++ (Basic)VerifiedskillWork Experiencezelr0x has not updated employment details yet.Educationzelr0x has not updated education details yet.