System Design Interview Questions

2151+ real questions from verified interview reports across 12 companies.

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https://preview.redd.it/4x75cjot480g1.png?width=846&format=png&auto=webp&s=c74e5e328b5f4ac213c11f879fd2931623b07f69 A long-time lurker, and this is my first time posting here, maybe it’s m

I'm posting this on glassdoor but just wanted to share this here as well, for others that may be considering applying to Palantir. **1 - Online Coding Challenge** I submitted my resume via employee re

^(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

If you're preparing for **system design Design**, here’s a real-world lesson worth studying. On 18th Nov, a *tiny database permission change* at Cloudflare silently broke assumptions… and took down **

MY SPIRIT REMAINS UNBROKEN AND I SHALL PERSEVERE TOWARDS THE CHASM OF DARKNESS AND UNCERTAINTY GUIDED BY THE LIGHT OF THE HOLY TRINITY (SYSTEM DESIGN, PROJECTS, AND LEETCODE). MAY WE ALL FIND OUR PATH

For those of you about to undergo this journey, here is my experience (plz don't ask me what questions were asked): **Stage 1: Online Assessment** This shit was pretty awful, probably one of the harde

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

Sharing my recent Walmart Global Tech interview experience to help others preparing. I went through all rounds till HM and was rejected at the end. Overall, the process was technically solid and very

Hi reddit community, This sub helped me a lot to crack the interview so returning back to the community. Superday, Mumbai (7th Jan, 2026) I received interview call on 6th and got the link in an hour o

Flipkart Machine coding round asks LLD question. It is of 120 minutes (90 coding + 30 minutes discussion). You may get extra time sometimes and recruiter may inform you that there is hard limit of 2:3

Interviewed at Robinhood this week. The total interviews are 5: 1 screening + 4 back to back virtual onsite. 1) Screening: Make sure you're really comfortable with spinning up new projects in Android

Walmart has 3 rounds of interviews DSA, LLD, HLD. 2nd or 3rd round is LLD. In some cases there are two DSA rounds or DSA round + round with lots of small questions including LLD, springboot, concurren

Hey everyone, I have an upcoming interview loop with **Cloudflare for a distributed systems / distributed pipeline role**. I’d love to hear from anyone who has gone through their interview process: *

**Company:** Tekion **Round:** Technical (DSA) **Date:** 4th April 2026 **Type:** Hiring Drive **Difficulty:** Medium-Hard # Context Attended a Tekion hiring drive on **4th April 2026**. This was the

Hello Everyone, I gathered a lot of resources while preparing for my Palantir interview. Although things didn’t go in my favor, I wanted to share my experience and insights from the process: # Intervi

Status: 2.5 years experience Position: SWE 2 Location: Bay Area Date: Jan 2021 I had a recruiter reach out to me on LinkedIn, and after a conversation immediately set me up for a technical...

Hey guys anyone have experience with Karat interviews? Any list of available questions for the system design part? Seems to be a very unique structure

I had an online test, and a tech/behavioral phone screen. They got back to me to book a 'design phone screen to discuss from a high level the design of the projects I've worked on'. This is tomorrow.

Location: Seattle, WA. Applied online and got a ping from recruiter that one of the hiring manager is interested. Telephonic Round 1: This was with Hiring Manager, kind of cultural fit...

Netflix/youtube offers multiple services. I am trying to design a system that counts how minutes watched on particular video, number of video watched completely and Category of videos most watched....

SRIB visited our campus in September 2020 for internships. Online Coding Round: It had 3 coding questions. The duration was 70mins. 1. Find the highest prime factor for a given number N. 2. Given...

Hey guys. Russian dev looking to jump ship here. I have 9 YOE with a navy defence contractor company. I've been approached by some European recruiters and all of them are inviting to interviews for a

Hi all, I am currently interviewing for the Product Owner Technical role at Revolut and have cleared the first round. The second interview is called "Product Skill," which I've been told is a mix of P

Hello Leetcode Community, I have an upcoming NVIDIA Panel round for an SRE position, has anybody recently interviewed with Nvidia and can give any recommendation, question patterns or helpful tips? I...

A recruiter reached out to me in November on LinkedIn, and after passing my resume to the team, they decided my skills weren\'t what the team was looking for. I...

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