Denis Volchek@NiskeloData EngineerFollow BadgesProblem SolvingPythonDays of CodeSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Python (Basic)VerifiedskillWork ExperienceNiskelo has not updated employment details yet.EducationNiskelo has not updated education details yet.LinksNiskelo has not updated links details yet. SkillsNiskelo has not updated skills details yet.