Interview Questions

Esha - "Clarifying Questions What do we mean by ‘improve’? Is there a certain goal that we are trying to attain? Is there a target user that we are going for? Any constraints or things to keep in mind when building this? Assumptions Only focused on google docs and not collaboration on other G-suite products such as PPT or sheets What is Google Docs? Web-based productivity tool that allows you to access your files from any computer through your gmail account. You can also share and"See full answer

Saurabh K. - "Goals : Determine if the TV series should be renewed If it should be renewed, how much should Netflix be willing to pay for this series Let's assume that the goal is to maximize subscriber retention and engagement while paying a reasonable amount for the licensing costs that is justified by the value added by the series. Assumptions : The show is exclusive to Netflix for a particular region (for eg. US) It has been on the platform for an year Netflix has subscriber level data around"See full answer

Aruna D. - "Assumption #1: the deal is signed and the customer now will being the process of moving to GCP Assumption #2 : the deal includes Iaas as well as Paas (App Engine) - moving apps from on prem to cloud Objective : Design a product that will help the customer onboard and successfully plan the move to GCP. Customer is using on premise and is new to cloud. Lets assume the tool should include the roadmap planning too ie decisions such as moving all vs some applications etc . As in any onboarding to"See full answer

Ben G. - "Situation - A situation where I used creative / innovative thinking to eliminate frustration with a product was while I was working on Point of Sale and Polaris for Retail Design System for Shopify. Upon seeing our vision for the future of this design system, it lacked a lot of the visual polish and necessary components that would make the product much more competitive in the market - this included having a lack of an interaction model for what is tappable vs. not tappable as well as containmen"See full answer

Anonymous Sparrow - "Clarifying question: how does Uber know that this is happening and has there already been research as to why drivers are doing this? Approach: Understand the problem and how big of a problem is it? Is it a big enough problem to address given other competing priorities? Given the why's both for drivers and riders, ideate solutions to both drivers and riders Prioritize solutions Measure of success Summary Propose the approach above and solicit feedback from interviewer, incorporat"See full answer

Ekta M. - "Some clarification questions On a very top layer these are the building blocks of the Quick Commerce companies. Let me know if you wanna deep dive in any specific. Users - browses the catalogue and selects the items that they wanna buy. Dark Store - This is where the catalogue is stored i.e. the items to be ordered. Imagine this to be a huge super store but only the delivery executives are allowed to shop in their. There are multiple of these dark stores, when you enter your address you get"See full answer

Valentin B. - "Let me first ask some clarification questions / make assumptions: Any specific geographic region? => USA How do we measure bandwith? a. Bandwith is the maximum internet speed required for our google maps servers to support all google maps traffic in the USA. At which point do we measure bandwith? => at the “entrance” of each google server center Do we talk about maximum bandwith required? a. Yes, the maximum BB required to support google maps in the USA (on side of Google) Outline: O"See full answer

Scott S. - " Project Overview: Real-Time Risk Management System Objective The goal was to develop a real-time risk management system capable of processing and analyzing large volumes of trading data to provide near-instantaneous risk assessments. This system was crucial for enabling traders to make informed decisions while managing their exposure to various market risks in real-time. Complexity Factors 1. \\Data Volume and Velocity\\ \\High Throughput:\\ The system needed to ha"See full answer

Madina A. - "I’d assess a new feature launch by first checking if it achieved the goal we set before launch, whether that’s driving engagement, monetization, or retention. I would look at adoption and usage to see if users are discovering and repeatedly using it, the impact on the main KPI we targeted, and guardrail metrics to ensure there’s no negative effect on core product health like retention, crashes, or satisfaction. Ideally I would measure this through an A/B test or phased rollout and complement the"See full answer

Anzhe M. - "It's a 2Sum question with duplicate array elements."See full answer

Santhosh K. - "As an engineering manager, motivation is key to the success of the team. Here are some ways to motivate the team: Set clear goals: Clearly defined goals help team members understand what they're working towards and give them a sense of purpose. Offer growth opportunities: Providing opportunities for professional development and advancement can increase motivation and job satisfaction. Provide recognition and rewards: Recognising and rewarding team members for their hard work and achieve"See full answer

Anonymous Puma - "Assuming for the US Segment by size of businessNumber of employees per business sizePrice per employee=Revenue Price per employee should decrease with a larger employee base. 30M businesses in the US Small Business 60% of businesses are small=18M Average number of employees=50 Price per employee=$5 Small Business Revenue=$2.7B Medium Business 30% of them are medium=9M Average number of employees=1000 Price per employee=$3 Medium Business Revenue=$8.1B Large Business 10% of th"See full answer

Clayton P. - "I've watched all the ML Systems designs interviews and this solution provides a clean baseline for predicting ETA using historical averages, but it falls short of addressing the broader problem of route planning. The system predicts ETA for a given segment and time interval, but it doesn’t explain how to compute the ETA for an entire route or how to integrate this into dynamic path selection. It also lacks depth on handling real-time data, adapting to distribution shift, or reacting to sudden"See full answer

Vishnu G. - "This is a classic strategic dilemma, but the answer for Walmart, given its core business model and strengths, is quite clear: Invest in boosting dish soap production. Here's why: Proven Success: Dish soap is Walmart's top product with strong, established sales. Scaling leverages existing, efficient supply chains and customer demand. Core Competency: Walmart excels at high-volume, low-margin household goods. This aligns perfectly with their business model and customer base. **L"See full answer

Anonymous Panda - " Communication between Mars and Earth is facilitated through various methods and technologies. The primary means of communication is through the use of space probes, particularly those equipped with powerful transmitters and receivers. Here's a general overview of how communication between Mars and Earth works: Deep Space Network (DSN): NASA operates the Deep Space Network, a global system of radio antennas located in California, Spain, and Australia. These antennas are responsible for sending"See full answer

Shuchi A. - "A few months ago I joined a micro-services platform engineering team as their manager, at that time my team was struggling to deliver towards an upcoming production deadline for a customer facing product. Production date had been moved 5 times already and there were about 40% of product features which were remaining to be tested and signed off to move to production . I was made responsible to deliver the release of this product within the deadline and turnaround the software delivery throughput."See full answer

Anonymous Unicorn - "naive solution: def countprefixpairs(words): n = len(words) count = 0 for i in range(n): for j in range(i + 1, n): if words[i].startswith(words[j]) or words[j].startswith(words[i]): count += 1 return count using tries for when the list of words is very long: from collections import Counter class TrieNode: def init(self): self.children = {} self.count = 0 # To count the number of words ending at this node"See full answer