1 answer published. Last candidate submission on May 12 2026, 1:00pm PDT. Interview question asked to Technical Program Managers, ML Engineering Managers, Machine Learning Engineers and other roles interviewing at Staples, Mastercard, Chewy and other companies. Original question asked: Design a parking lot management system.. Question last reported by a candidate interviewing at Hopper for an Engineering Manager interview on Jul 31 2026, 1:16pm PDT.