John Crawford@lostdog19Software Developer in TestUnited StatesFollow BadgesProblem SolvingJavaDays of CodeDays of JSSqlRuby CertificationsCertificate: Ruby (Basic)VerifiedskillCertificate: Ruby (Intermediate)VerifiedskillWork Experiencelostdog19 has not updated employment details yet.Educationlostdog19 has not updated education details yet.