UPI for Dadi
A product design question from a product manager interview, set at Sahaj Pay, a fictional payments / upi company.
The question
Skills this case tests
A starting structure
Goal → one senior segment → fears and pain points → v1 features → usage metric and safety guardrail
How to approach this case
Clarify the goal first: more payments, safer payments, or seniors paying without help, and what you can't change in the UPI flow. '65+' covers very different people, so pick one group, such as seniors who use WhatsApp but rarely pay, seniors who already pay, or those who rely on a child. Ask what they pay for and what scares them, then rank those fears. Separate convenience features from safety features, and be explicit about where friction protects users and where it just gets in the way. Think about the role of family, both as helpers and as people who can set things up. Scope v1 tightly and say what you are deferring and why. A strong close pairs a usage metric with a safety guardrail, so you can tell seniors are safer, not just more active.
The full method for product design (product sense) questions · A worked example answer
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