Michael Feffer@mfefferSoftware Engineer II at MastercardUnited StatesFollow BadgesProblem SolvingCPPPythonSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: C++ (Basic)VerifiedskillWork Experiencemfeffer has not updated employment details yet.Educationmfeffer has not updated education details yet.