usain ro@usain_rouRomaniaFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork Experienceusain_rou has not updated employment details yet.Educationusain_rou has not updated education details yet.