1 answer published. Last candidate submission on Apr 30 2026, 4:11pm PDT. Interview question asked to ML Engineering Managers, Machine Learning Engineers, Software Engineers and other roles interviewing at Wattpad, Marketo, Palantir Technologies and other companies. Original question asked: Design a system for real-time analytics.. Question last reported by a candidate interviewing at Leidos for a Software Engineer interview on Jul 13 2026, 5:57am PDT.