Should we build dark mode?
Last updated: September 12, 2025
Quick Overview
Your team is considering building push notifications. How would you evaluate this decision?
Citadel
September 12, 202531
6
154 solved
Your team is considering building push notifications. How would you evaluate this decision?
Citadel asks this during the Onsite to assess your product sense and structured thinking. They want to see how you define the problem, identify the target user, prioritize features, and measure success.
What the Interviewer Expects
- Identify the target user and their core problem
- Propose reasonable solutions with basic prioritization
- Define 2-3 key success metrics
- Consider basic trade-offs and risks
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
- How would you decide to kill this feature if it's not working?
- How would you sequence the rollout across different user segments?
- What would you do if usage data contradicts user feedback?
- How would you handle pushback from engineering on feasibility?
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