Martyna Grotek@martyna_grotekPolandFollow BadgesProblem SolvingCPPDays of JS CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Java (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Java (Intermediate)VerifiedskillWork Experiencemartyna_grotek has not updated employment details yet.Educationmartyna_grotek has not updated education details yet.