Question/Answer/Condition Matcher (AST Composition Pattern)

CodingZipLast reported April 2026Medium Frequency

Reported: 6× across candidate reports
First seen: February 2025
Last reported: April 2026
Also asked in: Phone Screen
Reported outcome: mixed

Problem Overview

The round. A practical coding round, not LeetCode style: you get an existing multi-file codebase for a form app and extend it. Six first-hand reports place it in the second technical screen or the virtual onsite. The form has several question types, one class each (single choice, number and text…

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.