How do I approach Product / Decision Making interview questions?

Product / Decision Making questions require understanding of core concepts and practice. PracHub provides solutions with explanations to help you master product / decision making interviews.

What difficulty level is this interview question?

This is a medium difficulty Product / Decision Making question, commonly asked during Onsite rounds at Meta.

What role is this question designed for?

This question is commonly asked for Product Manager candidates at Meta during technical interviews.

Dog-Walking Marketplace & Architecture

Last updated: Mar 29, 2026

Quick Overview

This question evaluates product management competencies in designing two‑sided marketplaces, covering user journey definition, MVP feature scoping, trust and safety frameworks, and high‑level system architecture.

Design a Dog‑Walking Marketplace App

Context

You are designing a two‑sided marketplace that connects dog owners who need walks with vetted dog walkers who provide them. The goal is to create a reliable, safe, and scalable product that achieves marketplace liquidity while maintaining strong trust and safety.

Tasks

Describe the following:

Core user journeys
MVP feature set (buyer/owner, seller/walker, and platform/admin)
High‑level architecture (mobile clients, backend services, APIs, data)
Key scoping and scaling considerations (marketplace liquidity, trust/safety, rollout, operations)

Solution

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