Interview prep · Amazon jobs

Amazon Infrastructure interview questions

64 interview questions for Infrastructure roles at Amazon, written from Amazon’s 8 current postings on its own careers page. These are what the postings say to prepare for — not questions Amazon has asked.

Built 2026-10-12

Three of the questions

  1. Walk me through how you'd design a large-scale distributed application using serverless technologies, a data lake, and a NoSQL store to automate an infrastructure supply chain process. What goes in each layer and why?
    Technical depth · from the posting: “build large-scale distributed applications using serverless technologies, data lakes, and NoSQL databases to automate the complex processes that keep AWS infrastructure growing ahead of customer demand”
  2. You're reviewing deployment metrics in the morning and notice operational alerts firing on one of your infrastructure supply chain automation workflows. How do you triage this, and how do you decide whether it needs an immediate fix or a root-cause investigation?
    Scenarios & troubleshooting · from the posting: “You start your morning reviewing deployment metrics and triaging any operational alerts... Identify root causes of operational issues and drive permanent fixes, improving system reliability through proactive monitoring and automation”
  3. Tell me about a time you mentored a junior engineer through a code review or design discussion. What were you teaching them, and how did you approach it?
    Behavioural · from the posting: “Mentor junior engineers through code reviews and design discussions, actively training new team members on system architecture and operational practices”
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What the full prep holds

  • Common questions · 8
  • Your background · 3
  • Quick-fire technical · 24
  • Technical depth · 12
  • System design · 5
  • Scenarios & troubleshooting · 6
  • The company & the problem · 3
  • Behavioural · 3
  • Questions to ask them · 3

A free account shows the 8 common questions and the 3 above. Basic and Elite show every question with how to answer it; Elite also writes your own answers from your resume. See plans.

The Amazon postings it is written from