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Critique of Technical Interview Practices: When Coding Puzzles Don't Reflect Real Job Requirements

By

foxfired

9mo ago· 7 min readenOpinion

Summary

The article critiques modern technical interview practices through a personal anecdote about a backend developer interview. The author describes being asked to sort a million-entry array in JavaScript, which they argue is the wrong approach for real-world backend development. The piece argues that many technical interviews test impractical coding puzzles rather than actual job-relevant skills, and suggests that interviews should focus more on practical problem-solving and system design rather than algorithmic trivia.

Key quotes

· 4 pulled
If you have a JavaScript array with a million entries, you're certainly doing something wrong
This felt like a trick question. Surely the right answer was to explain why you shouldn't be sorting millions of records in JavaScript
You're not interviewing for the job. You're auditioning for the job title
Many technical interviews test your ability to solve algorithmic puzzles rather than your ability to build and maintain software systems
Snippet from the RSS feed
I once had a job interview for a backend position. Their stack was Node.js, MySQL, nothing exotic. The interviewer asked: "If you have an array containing a million entries, how would you sort the dat

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