Ramp·Frontend Engineer·Online Assessment (OA)·Intermediate

Intermediate

Apr 2026Remote

Summary

Ramp frontend OA where the whole challenge was less about coding and more about figuring out why the test suite wouldn't even load. Niche problem, but kind of interesting once you realize what's actually going on.

Questions Asked (1)

A source file uses CommonJS exports but the test runner expects ESM imports, causing the entire suite to fail before any assertion runs. Diagnose the root cause and decide whether to fix the export syntax or strictly follow the comment in the file that says to only replace one specific string.

Root Cause AnalysisTechnical Trade-offsAdaptability & Ambiguity

Author's notes

The comment in the file was pretty explicit: replace this one string, touch nothing else.

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AI HintsAI Generated

Suggested Approach

Start by diagnosing the module system mismatch: the file uses CommonJS (module.exports/require) while the test runner expects ESM (import/export). Then weigh the trade-off between fixing the export syntax to unblock the suite versus strictly following the comment that says to only replace one specific string, considering the comment's intent and the cost of each path.

Pro tip: Show that you respect the comment's constraint but also recognize when it's outdated or misapplied—propose a minimal, reversible fix (e.g., adding an ESM-compatible export) and socialize it with the team before diverging from the instruction.

1. Reproduce and isolate the failure

Confirm the error occurs before any test assertion, and identify the exact file and line where the module system mismatch is triggered.

2. Diagnose the root cause

Explain that the file uses CommonJS exports (e.g., module.exports) while the test runner or project config expects ESM (e.g., import/export), causing a parse or load-time error.

3. Evaluate the comment's intent

Interpret the comment's instruction: is it a hard constraint, a temporary workaround, or a guideline for a specific refactor? Consider the context and potential risks of ignoring it.

4. Weigh trade-offs and decide

Compare fixing the export syntax (unblocks tests, aligns with ESM) versus strictly following the comment (avoids unintended changes, respects author intent). Choose based on impact, reversibility, and team norms.

5. Propose and validate a solution

Suggest a minimal fix (e.g., converting to ESM or adding a dual export) and outline how to verify it resolves the suite without breaking other constraints.

Key Points to Mention

CommonJS vs ESM syntax differences and how they cause load-time failures
The importance of reading and interpreting code comments in context
Trade-off between unblocking tests quickly and adhering to explicit instructions
Risk of unintended side effects when changing module systems
Communication with the team when deviating from a comment's directive
Potential for a minimal, reversible fix that satisfies both concerns

AI-generated suggestions, not part of the candidate's original notes. May be inaccurate — verify before relying on them.