System Design Interview Questions
Study our database of real interview questions and answers verified by hiring managers and candidates.
- 554 questions
- 547 companies
- 25 roles
- Last updated Nov 2026
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Design a system to track reviews abuse on Amazon.com.
a year ago38 answersDesign an LLM-based Q&A System.
7 months ago6 answersDesign an AI document classification system.
2 months ago1 answerExplain how a rate limiter works.
2 months ago4 answersDesign a chatbot for merchants.
2 months ago1 answer- Get your questions answered
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Design an LLM inference batching system Has video answer
+15 months ago4 answersImplement threadpool Has video answer
2 months ago3 answersDesign S3.
4 months ago1 answerDesign Instagram. Has video answer
+13 months ago60 answersDesign a system to log messages in order
3 months ago15 answersDesign an evaluation framework for ads ranking. Has video answer
6 months ago13 answersHow would you build a Facebook product for blood donation? Has video answer
2 years ago37 answersDesign a document processing pipeline. Has video answer
+15 months ago9 answersDesign an Amazon locker. (LLD Round)
3 months ago2 answersDesign Google Docs. Has video answer
4 months ago4 answersHow would you increase the number of users on YouTube?
5 years ago59 answersDesign LFU cache.
2 months ago3 answersDesign an ML experiment tracking and analysis platform.
10 months ago4 answersDesign webhook delivery Has video answer
2 months ago
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