1 answer published. Last candidate submission on Jul 15 2026, 3:30am PDT. Interview question asked to Data Scientists interviewing at Twitch, Noon, Squarespace and other companies. Original question asked: Rank the top three engineering skills outside of pure data science needed to build a robust ML service.. Question last reported by a candidate interviewing at Walmart for a Data Scientist interview on Jun 3 2026, 2:45am PDT.