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SentinelOne·Product Manager·Onsite - Product Sense / Strategy·Senior

Senior
May 2026

Summary

PM interview at SentinelOne with a product design question about building an e-commerce site for SLR cameras. Pretty open-ended, which I wasn't fully prepared for.

Questions Asked (1)

Q1

Design an e-commerce website for SLR cameras.

Product Sense & IdeationProduct StrategySystem Design
Author's notes

Wider than it sounds.

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AI HintsAI Generated

Suggested Approach

Start by clarifying the goal and target users of the e-commerce site, then outline the key user journeys and features. Structure your answer around user needs, business objectives, and technical feasibility, and prioritize features based on impact and effort.

Pro tip: Anchor your design in a specific user persona (e.g., professional photographers) and tie features to their pain points, showing you understand the market. Also, mention how you would measure success with metrics like conversion rate and average order value.

1. Clarify Goals and Users

Ask clarifying questions to understand the business model, target audience (e.g., hobbyists vs. professionals), and primary success metrics. Define the scope and constraints.

2. Map User Journeys

Identify key user journeys such as browsing, comparing, purchasing, and post-purchase support. Highlight unique needs for SLR cameras, like detailed specs and lens compatibility.

3. Define Features and Prioritize

List must-have features (e.g., advanced search filters, high-res images, reviews) and nice-to-haves (e.g., virtual try-on, expert advice). Prioritize using a framework like RICE or MoSCoW.

4. Design System Architecture

Outline the high-level system components: frontend, backend, database, payment gateway, and integrations (e.g., inventory, shipping). Consider scalability and security.

5. Define Metrics and Iterate

Specify success metrics (e.g., conversion rate, cart abandonment) and propose an MVP launch with iterative improvements based on user feedback.

Key Points to Mention

  • Target audience segmentation (e.g., professionals, enthusiasts) and their specific needs
  • Advanced search and filtering (by brand, sensor size, lens mount, price range)
  • High-quality product visualization (360-degree views, sample photos, video reviews)
  • Comparison tools and compatibility checkers (e.g., lens compatibility with camera bodies)
  • Trust-building features (expert reviews, user-generated content, warranty and return policy)
  • Scalable architecture and security (PCI compliance, inventory management, recommendation engine)

AI-generated suggestions, not part of the candidate's original notes. May be inaccurate — verify before relying on them.