: Examples based on real-world interview tasks used by top tech firms. 5 Full Solutions : Detailed walkthroughs of complex problems, such as: Redesigning the NYC MetroCard system. Designing an ATM experience. Creating a dashboard for a general practitioner. PDF Canvas
Evaluate your ideas using a simple prioritization matrix, such as or RICE (Reach, Impact, Confidence, Effort). Choose one or two high-impact solutions to develop further. 6. Map the User Journey and UI Elements
User inputs location, budget, and fills out a 5-point lifestyle slider (Cleanliness, Social Frequency, Sleep Schedule, Pets, Remote Work). They must upload a video verification prompt to activate their account. : Examples based on real-world interview tasks used
If the interviewer introduces a constraint halfway through ( "What if the internet cuts out completely during this step?" ), do not get defensive. Smile, thank them for the constraint, and adapt your design.
Outline their behaviors, motivations, and current pain points. 3. Analyze the User Journey and Pain Points (10 Minutes) Creating a dashboard for a general practitioner
Extra quality means inclusive design. Annotate: "VoiceOver labels for screen readers. Minimum 4.5:1 contrast ratio. Target hit area 44x44px."
Treat the exercise as a pairing session. Pause every few minutes and ask: "Does this user persona make sense to you, or should we pivot?" do not get defensive. Smile
Mastering the Product Design Interview: A Complete Guide to Solving Design Exercises
Exponent and Lewis C. Lin’s resources offer deep-dive PDFs on product design.
You will likely find 15 problems. You have time to solve 2 or 3. Use a simple 2x2 matrix (High/Low Frequency vs. High/Low Severity).
Can you take a vague prompt and turn it into a concrete project?