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Python · Senior · System design

You've joined a project as tech lead: three hundred thousand lines of Python, the tests take forty minutes, and half the team doesn't run them locally. How would you rebuild the testing strategy?

~10 min by voice

How to approach it

This checks whether a tech lead can fix engineering infrastructure systematically: start with measurements rather than opinions, separate quick technical wins from structural changes, and lock in the result with process and metrics.

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Answer by voice

The interviewer will ask this question and listen. Think out loud and ask for a hint if you need one. When you're done, pause or tap “That's my answer”. In about a minute, your score and the points you covered show up here.

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Best with headphones · ~10 min