marcinqperkq@gmail.com @marcinqperkqPolandFollow BadgesProblem SolvingJavaPythonDays of CodeDays ofStatisticsSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experiencemarcinqperkq has not updated employment details yet.Educationmarcinqperkq has not updated education details yet.