Marcin _@Marcin20cPolandFollow BadgesProblem SolvingJavaPythonSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Python (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillWork ExperienceMarcin20c has not updated employment details yet.EducationMarcin20c has not updated education details yet.