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30-seconds-of-interviews
Discontinued A curated collection of common interview questions to help you prepare for your next interview.
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I can't give you Zalando specific prep tips, but general prep tips from my experience with bigger companies that still have this startup-ish mentality. Make sure that you understand the details of JS (event loop, promises, etc.) and if they mentioned the tech-stack (vue, react, whatever) make sure you thoroughly understand them as well. And expect questions about your cultural fit, so have a genuine interest in the company (google it) and in a good work environment (knowledge sharing, pair programming, mentoring). For system design, be sure to think of CI/CD, testing and monitoring. And if you don't know something, be open about it and mention that you are willing to learn, don't make something up or try to cheat, it will be noticed. And remember its a two way street, ask questions. i like this resource for interview preparations a lot: 30-seconds-of-interview