Product Design Interview Questions with Sample Answers

Product sense questions: pick a user, find the pain points, prioritise solutions and define how you would measure success.

Design a smart alarm clock for heavy sleepers (Easy)
Design a vending machine for school children (ages 6–12) (Easy)
Design a parking finder app for crowded cities (Easy)
Design a grocery shopping app for elderly users (65+) (Easy)
Design a social app for neighborhood communities (Easy)
Design a better airline digital boarding pass (Easy)
Design a book recommendation app for casual readers (Easy)
Design a dog-walking service app for busy professionals (Easy)
Design a recipe app based on available pantry ingredients (Easy)
Design a remote team collaboration tool for informal interactions (Easy)
Design a digital lost-and-found system for international airports (Easy)
Design a subscription management app to track recurring expenses (Easy)
Design a child safety wearable for amusement parks (Easy)
Design a smart mirror for retail clothing fitting rooms (Easy)
Design an intuitive public EV fast-charging station kiosk (Easy)
Design a medication adherence app for chronic patients (Easy)
Design a mobile banking and financial literacy app for teenagers (13–18) (Easy)
Design a multilingual subway ticketing kiosk for foreign tourists (Easy)
Design a collaborative live party playlist app (Easy)
Design an indoor navigation app for mega shopping malls (Easy)
Design a digital whiteboard tool for distributed engineering teams (Medium)
Design an AI personal finance coach for Gen-Z (Medium)
Design a job search and shift-matching platform for blue-collar gig workers (Medium)
Design a video streaming app for emerging markets with poor connectivity (Medium)
Design an online learning platform for students with ADHD (Medium)
Design a digital passport and identity verification system for international travelers (Medium)
Design an IoT smart waste management system for municipal smart cities (Medium)
Design a B2B procurement marketplace for restaurant kitchen supplies (Medium)
Design a virtual telemedicine and doctor consultation experience (Medium)
Design an AI conversational language tutor focused on spoken fluency (Medium)
Design a smart home energy management dashboard for homeowners (Medium)
Design an automated tax and invoicing app for solo freelancers (Medium)
Design an accessible smart TV interface for visually impaired users (Medium)
Design a campus safety and emergency response app for university students (Medium)
Design a collaborative travel itinerary and expense splitting app for friend groups (Medium)
Design the in-cabin operating system and passenger experience for Level-5 fully autonomous robotaxis (Hard)
Design a Brain-Computer Interface (BCI) software operating system for paralyzed patients (Hard)
Design the core interaction model and spatial OS for everyday AR smart glasses (Hard)
Design an AI-human co-pilot interface for Air Traffic Controllers (ATC) (Hard)
Design the navigation, sensor, and robotic arm control UI for a deep-sea research submarine (Hard)
Design an offline emergency disaster communication and rescue platform (Hard)
Design the surgeon console cockpit and AR visualization for robotic surgery (Hard)
Design an AI-powered Security Operations Center (SOC) threat triage platform (Hard)
Design a pro-grade quantitative and algorithmic trading terminal (Hard)
Design a global humanitarian aid and biometric refugee resettlement coordination platform (Hard)
Design the mission dashboard and habitat control interface for astronauts on a Lunar Space Station (Hard)
Design a mission control interface for autonomous drone swarm wildfire suppression (Hard)
Design an AI farm management and precision agriculture operating system (Hard)
Design an immersive VR/AR surgical training and credentialing simulator for medical residents (Hard)
Design a mobile and haptic companion app for a smart bionic prosthetic limb (Hard)