Wojciech Waclawik@WaclaWojcieszkoPolandFollow BadgesProblem SolvingJavaDays of CodeDays ofStatisticsSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillWork ExperienceWaclaWojcieszko has not updated employment details yet.EducationWaclaWojcieszko has not updated education details yet.