Rafal Sujak@rafal_sujakPolandFollow BadgesProblem SolvingJava CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experiencerafal_sujak has not updated employment details yet.Educationrafal_sujak has not updated education details yet.