Web API Round: Build a Q&A Service with Voting

Also reported as Stack Overflow-like Q&A Service

CodingRipplingLast reported March 2026Medium Frequency
Reported
4× across candidate reports
First seen
October 2025
Last reported
March 2026
Reported outcome
mixed

Problem Overview

The round: Rippling's Web API round, reported by four candidates whose loops ran from late summer 2025 to early 2026. A reply on one mid-2026 report says that loop had no Web API round, and another mid-2026 report lists its rounds without one, so check with your recruiter whether your…

  • 2 candidate-reported follow-ups — 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
Technical claims, formulas, and scale numbers are reviewed against primary sources.
Interviewer Follow-ups
The exact follow-ups reported by candidates, with the trigger that prompts each one — plus the mistakes that sink people.
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