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Amazon Software Engineer System Design Questions

273+ questions from real Amazon Software Engineer System Design rounds, reported by candidates who interviewed there.

273
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What does the Amazon System Design round test?

The Amazon system design round assesses a candidate's ability to architect scalable systems. Software Engineer candidates are typically asked to design a large-scale service or platform from scratch, covering database choices, API design, scaling strategy, and failure modes.

Top Topics in This Round

Amazon Software Engineer System Design Questions

I had an Amazon onsite yesterday for a SDEII role, and as usual I got 3 DSA sessions along with a System Design session of interview. The first problem was the Trap Water problem, but the problem stat

^(Recent AWS Outage had a major churn in software industry, those who are preparing for system design interview, would suggest to go over the root cause and understand how that could have been avoided

Hi all, I have an SDE2 onsite interview with Amazon coming up in a few weeks, and I’m looking for some guidance on preparing for Low-Level Design (LLD). Thanks to other posts here, I’ve got my bases c

After I shared the [system design interview framework](https://www.reddit.com/r/cscareerquestions/comments/kd13sx/sharing_the_system_design_framework_ive_used_that/) earlier this month, I was surprise

I have both system design + coding in one round (60 minutes). This is for an L4 SDE position. The interviewer said the focus will be on system design and coding. Does that mean 1 LLD question? Or 1 co

How to land Sr. SDE/SDE-III role with 5YOE?

System Design,Career,Prep 2026

I want to crack a Sr. SWE / SDE III role. I currently have 5 years of experience, and by the time I begin interviewing seriously, I’ll probably have around 5.5. I’m an SDE II at Amazon, and I’m alread

One of the major problems I have had in my career is the keywords to drop in job interviews. I don't know what it is, but in most of the teams I belonged to, I was a star. Back in 2008, me and 3 of my

What kind of design questions should I expect for an SDE-1 interview? Hey everyone, I have an SDE-1 interview coming up @amazon, and one of the rounds is mentioned as a “Design Round.” I'm not exactly

Hey folks, I have an Amazon SDE 1 interview coming up soon, and was wondering if anyone here has faced Low-Level Design (LLD) questions during their interview. If you have, could you share what kind o

So I’m honestly stressed right now and just need to rant. I’ve been prepping for months, gave everything I had for the Amazon SDE I loop. My first two interviews were on **August 21st**, then I had my

I am doing leetcode, computer networking, linux and shell scripting and the Amazon LPs. Is there anything I need to focus on? Asked an amazon employee about the rounds he said System Design round is r

* What type of questions do they ask? * Do they also test **DSA/algorithms**, or is it completely **Linux-focused**? * For the **system design round**, what kind of problems do they expect when the ro

I’ve never done any system design type interviews before, but this recent cycle of interviews I’ve been doing has had a bunch of system design interviews. I’ve been watching some videos on YT to get a

Second time at final loop. I knew I Was not prepared but I decided to try as a practice. Last time I tried was 3 years ago. The format of the interview did not change much. 4 interviews, 30 minutes wi

Hi all, I had an interview today and got asked this question:If 1000 quantity of a product are going on a flash sale on a website, then how do they ensure that the 1001th product isn't sold?I gave 2 a

Hello, A while ago I did an interview with Amazon. They used a nice web app for their system design interview. I do not work their now. Does anyone know what app amazon uses for system design? &#x

I have an amazon interview coming up for SDE II and literally don't know the first thing about Systems Design. Like literally the first thing. Probably having interview in 2 weeks so in addition to gr

I keep getting asked questions about large scale system design, especially from Amazon (how would you design Youtube/Twitter?). I never do well on them and it's keeping me from getting jobs. There's p

I have my SDE-2 interview in 2 weeks. Can anyone, please share tips about System Design round. I understood that the expectations for SDE-2 level is pretty high. I just want to know if there are any s

Hello everyone, I am currently preparing for system design interviews and have been going through various tutorials from different sources. While I am able to understand and answer questions about top

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