Tooltip Component

System DesignStripeLast reported March 2025Low Frequency

Reported: 1× across candidate reports
First seen: March 2025
Last reported: March 2025
Reported outcome: unknown

Problem Overview

Design a Tooltip UI component. The candidate is expected to walk through the full design of a reusable, production-quality Tooltip component, covering: how the tooltip overlay is rendered (e.g., via React's createPortal to escape parent stacking contexts), how props should be structured for extensibility (trigger element, content, placement, delay, etc.),…

1 candidate-reported follow-up — the exact probes interviewers asked, with the trigger for each
The rest of the problem statement — full requirements, constraints, and edge cases
Approach and trade-offs — what passing candidates did, and the mistakes that sink people

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Verified Source

Every question is reconstructed from multiple independent candidate reports. Verbatim follow-ups, not invented ones.

Codex Fact-Checked

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Interviewer Follow-ups

The exact follow-ups reported by candidates, with the trigger that prompts each one — plus the mistakes that sink people.