Traditional algorithm interviews often fail to predict how well an engineer will perform on a team. A Code Review Interview presents candidates with a realistic pull request containing intentional flaws—performance bottlenecks, security vulnerabilities, edge-case oversights, or poor TypeScript design.
Why Code Review Interviews Outperform Puzzle Puzzles
1. Mirrors Daily Engineering: Developers spend significant time reviewing peer pull requests. 2. Evaluates Practical Depth: Tests knowledge of security (SQL injection, auth bugs), performance (N+1 queries, memory leaks), and maintainability. 3. Tests Communication Skills: Observes how constructively candidates phrase feedback and suggest refactored alternatives.
How to Structure a Code Review Exercise
1. Provide Context: Give candidates a brief user story or bug report explaining what the pull request is intended to accomplish. 2. Include 3-5 Specific Flaws: Mix bug categories (e.g. 1 security bug, 1 performance issue, 1 missing error handling case). 3. Allow Live Editing: Ask the candidate to not only point out the flaws but refactor the code live in the editor.
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Run Code Review Interviews Live Pairlet includes built-in interactive Code Review interview tasks. [Try Code Review Problems on Pairlet](https://www.pairlet.dev/problems).
Frequently Asked Questions
Why are code review interviews gaining popularity?
Code review interviews mirror true day-to-day engineering tasks: reviewing code written by peers, identifying security/performance bugs, and communicating constructive feedback.
Conduct Live Coding Interviews with Zero Friction
No candidate sign-up required. Create an instant room, share the link, and code together in real time with shared code execution.