Craig Johnston@johnston_craigUnited StatesFollow BadgesProblem SolvingJavaSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: SQL (Basic)VerifiedskillWork Experiencejohnston_craig has not updated employment details yet.Educationjohnston_craig has not updated education details yet.