Antonis Hatzikonstantinou@ahatzikonstanti1Software EngineerGreeceFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork Experienceahatzikonstanti1 has not updated employment details yet.Educationahatzikonstanti1 has not updated education details yet.