Product design question
Design a new feature for Zomato that could help users choose healthier dining options. Walk us through your design process.
- Zomato
- Product design
- Medium
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What this question tests
Product design process on a food delivery platform: can you walk through user research, prioritization, and design for a health focused feature.
How to approach it
- Start with the user: health conscious diners who want to eat out or order in without abandoning dietary goals, and identify their friction, unclear or missing nutrition information on menus.
- State the pain points in order of frequency: no calorie or ingredient info, difficulty filtering by dietary preference, and no easy way to compare healthier options within a cuisine.
- Prioritize filtering and labeling first, since they require the least new restaurant effort and give the most immediate value.
- Design the solution: dietary filters (low calorie, high protein, vegetarian) combined with a simple health score badge on dishes, sourced from restaurant provided data plus estimates where missing.
- Address data quality, since restaurants may not provide accurate nutrition data, so start with self reported data validated against category averages.
- Define success as adoption of the filter and repeat orders from users of that filter, since it shows the feature drives real behavior change.
What a strong answer includes
- Walks through the process in the order the question asks, research to prioritization to design, rather than jumping straight to a feature list.
- Addresses the practical data sourcing problem, since restaurants rarely have precise nutrition data ready.
- Picks a behavior based success metric, repeat use of the filter, not just impressions of the badge.
Common mistakes
- Skipping straight to a feature idea without walking through the design process the question explicitly asks for.
- Assuming perfect nutrition data exists from every restaurant.
Likely follow-up questions
- How would you validate the health score when restaurant data is unreliable?
- How would you get restaurants to participate in providing this data?
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Learn the skill behind it
Chapters of the AI PM course that teach what this question tests.
- Chapter 4: Discovery and strategy for AI products
- Chapter 7: AI UX and human oversight: design for a system that is wrong sometimes
- Chapter 14: Get the job: the AI PM interview loop