joel serna@jpsernaSoftware EngineerUnited StatesFollow BadgesProblem SolvingJavaPythonDays of JSSqlRuby CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Python (Basic)VerifiedskillWork Experiencejpserna has not updated employment details yet.Educationjpserna has not updated education details yet.