Should we build dark mode?
Last updated: December 9, 2025
Quick Overview
Your team is considering building a social feed. How would you evaluate this decision?
Optiver
December 9, 202540
5
2,722 solved
Your team is considering building a social feed. How would you evaluate this decision?
Product questions at Optiver test your ability to think like a product leader. This Onsite question evaluates how you balance user needs, business goals, and technical constraints when making product decisions.
What the Interviewer Expects
- Demonstrate strategic product thinking beyond feature-level decisions
- Analyze second-order effects and long-term ecosystem impact
- Balance multiple stakeholder needs with clear trade-off rationale
- Design experiments to validate key assumptions before building
- Consider platform effects, network effects, and marketplace dynamics
- Propose a phased rollout strategy with go/no-go criteria
Key Topics to Cover
How to Approach This
- Start with the user. Who are they, what problem do they have, and what is their current workaround?
- Use a prioritization framework: impact vs effort, RICE scoring, or ICE scoring.
- Define success metrics using the AARRR framework: Acquisition, Activation, Retention, Revenue, Referral.
- Consider second-order effects. A feature might boost short-term engagement but hurt long-term retention.
Possible Follow-up Questions
- What would you do if usage data contradicts user feedback?
- How would you validate this idea before committing engineering resources?
- What competitive response would you expect and how would you prepare?
- How would you decide to kill this feature if it's not working?
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