Jair Zeferino Júnior@jairzjuniorFull Stack DeveloperBrazilFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: C# (Basic)VerifiedskillWork Experiencejairzjunior has not updated employment details yet.Educationjairzjunior has not updated education details yet.