JSON Parser

CodingSnowflakeLast reported June 2026Low Frequency
Reported
2× across candidate reports
First seen
March 2025
Last reported
June 2026
Reported outcome
unknown

Problem Overview

Implement a JSON parser (or JSON validator) that handles the following element types: - number: non-negative integer, leading zeros allowed (e.g., '004' → 4) - string: surrounded by double quotes; \" escapes a quote inside the string, \\ escapes a backslash; other escape sequences are invalid - array: a […

  • 3 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
Unlock the full Snowflake catalog
Full problem statements, candidate-reported follow-ups, and walkthroughs — for every Snowflake question.
Unlock with Pro
Already a member? Sign in
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.
Is this helpful?