David Mattheis@matthedeDataUnited StatesFollow BadgesProblem SolvingJavaPythonDays of CodeSql CertificationsCertificate: Python (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillCertificate: SQL (Advanced)VerifiedskillWork Experiencematthede has not updated employment details yet.Educationmatthede has not updated education details yet.