Interview Questions

devopsjesus - "This was a 60 minute assessment. The clock is ticking and you're being observed by a senior+ level engineer. Be ready to perform for an audience. The implementation for the system gets broken up into three parts: Implement creating accounts and depositing money into an account by ID Implement transferring money with validation to ensure the accounts for the transfer both exist and that the account money is being removed from has enough money in it to perform the transfer Implement find"See full answer

Louie Z. - "DNNs can learn hierarchical features, with each layer learning progressively more abstract features, and generalizes better. SNNs are better for simplier problems involving smaller datasets and if low latency is required."See full answer

Gaurav M. - "To convince leadership at Google to build a wristwatch for the elderly, it's crucial to present a compelling argument that encompasses user needs, market potential, and Google's strategic alignment. Here's a detailed proposal: 1. Understanding the User Needs Target Audience Primary Users: Elderly individuals, especially those with health conditions requiring monitoring and those living independently. Secondary Users: Family members and caregivers. **Pain Points"See full answer

Rahul J. - "Clarifying questions Target customers: users who want to book flights, hotel etc. Geo: USA Form factor: web and mobile app About the company Agoda wants its users to 'see the world for less' i.e. they are targeting users who want to travel (for business or pleasure) and their key value proposition is price i.e. lowest cost hotels, flights and other services. Business model: Agoda is an online market place where vendors like airlines, hotels etc. are displayed and user can search for a"See full answer

Ekta M. - "Define the feature A virtual card number is a temporary or disposable card number generated by your credit card issuer or financial institution. It is designed to protect your actual credit card information during online transactions. Its main purpose is the security of your actual credit card. Clarification questions No questions What is the purpose of the feature? Enhanced Security: Using a virtual card number protects your actual credit card details from being exposed to potentia"See full answer

Ashima S. - "What do we mean by grow the VC feature? I am assuming the goal to be feature adoption. Goal: Increase VC feature adoption and usage within a timeframe (say, 6 months?) User Segments: I am thinking of the following user segments for this problem - Security conscious users (mostly an overlap with high spending limit card users) Frequent shoppers with multiple online subscriptions (we could quantify this like >5 subscriptions or so) Potential CapitalOne users who have shown interest in the"See full answer

Alexander R. - "In my previous role as a Team Leader at XYZ Corporation, our department was facing high turnover rates, and the skill levels within the team were not meeting the company's evolving demands. We were in the midst of a major project that required a skilled and cohesive team to deliver on tight deadlines. My primary responsibility was to enhance team development and retention. Specifically, I needed to reduce turnover by 20% within six months and improve team competency to handle new project requir"See full answer

Rahul J. - "Problem statement The water heater can currently be controlled only physically i.e. the user must be present infront of the heater to manage it. Key value proposition The user must be able to control the water heater remotely using an app (preferably via their mobile phone) Target geo: USA, OS: both Android and iOS, Form factor: Mobile Target market Water heaters are used by everyone who lives in an area experiencing temperatures < 20 degree Celsius. The user uses the water heater eve"See full answer

Rahul J. - "Clarifying questions / assumptions we are talking about a typical retail bank and not investments banks or other NBFCs The banking app covers the primary functions of a bank like money transfers, account management, savings etc. A typical bank has the following business functions: Giving loans (primary function to make money) Savings and other accounts Investments (like Fixed deposits of the bank and other government schemes) Pain points A bank had to deploy manpower to perform all"See full answer

Mereke D. - " Before starting to answer let me gather the necessary details before proceeding: Objectives and Goals\: "What are the primary objectives of implementing the push notification system? Are we aiming to increase user engagement, drive sales, or provide timely updates?" Target Audience\: "Who is the target audience for these push notifications? Are there specific user segments we should focus on?" Platform and Device Considerations\: "Which platforms (iOS, Andr"See full answer

Jeffrey F. - "I used the GAME method. Started first with defining the product and setting the mission and goal for Zoom. Stated that the product grew in popularity in 2020-2021 for both business and personal use, but since lockdown ended, shifted to business use. Goal is to effortlessly and seamlessly connect people anywhere. Focused on the business use case and stated Zoom makes revenue through contracts signed with various enterprises. Due to maturity of the product and business focused, said it make"See full answer

Glados - "First, why are we building the system? What are the requirements we must meet - Do customers care about data being read/written from a single set of tables or multiple tables, do they care about cost allocation, do they need backups/storage to happen slow or fast, do they foresee a lot of data movement from one table to another? Based on this, there are a few options using some common design choices. Shared disk, or Shared nothing. Both have pros and cons. Based on latency, performance, and cos"See full answer

Jaswanth P. - "Proposed Solution: Awareness and Control Features Algorithm Awareness Campaign Educational Content: Create short videos explaining how the algorithm works to enhance user experience. Transparency Reports: Regular updates on algorithm changes to keep users informed. User-Controlled Engagement Settings Customizable Feed Options: Allow users to adjust content preferences and limit certain types of videos. Time Management Tools: Introduce reminders for screen time limits an"See full answer

Rahul J. - "Clarifying questions Key value proposition of the product: targeted search engine for kids to search the internet Target users: kids below 18 years of age Target geography: USA Form factor: web app Target market Kids (largely school students) are now increasingly using the internet for educational purposes to perform assignments, collaborate on projects etc. A search engine is a core need to access the internet for this audience and is needed quite frequently - almost every time a"See full answer

Guillermo R. - "In many languages, a matrix is stored as a consecutive piece of memory. If its C/C++ for example you can reset the whole matrix to 0 using a memset command. We just check the particular element and if zero we memset the whole thing. if(arrayx == 0) { memset(&array, 0, M*N) } If this ok or I'm being simplistic? "See full answer