Technical Interview Questions

Kartikeya N. - "Clarifying questions: What is meant by abuse?: Fake, paid reviews Are we looking at any particular country ? : Global Have we seen an increase in the number of fake reviews on Amazon?: Yes Can we quantify the % of fake reviews and how much it has increased in the recent past?: Can’t divulge company data Lets first start with the Vision of Amazon. It is to be the world’s most customer centric company. That is a very lofty and high standards’ Vision. So the problem we are trying to s"See full answer

Ekta M. - "I would start with some clarifying questions like: Is there a deadline when all these needs to be updated by? Do we have upgrade scripts ready? When do we have change freeze? Once I have these few clarifying answers I would start planning: I would meet with all the teams involved in the upgrades Document any resources downtime during the upgrade create a risk registry along with mitigation plan Roll back plan create a phased rollout plan based on deadline Post upgrade get a"See full answer

Shashank P. - "Framework"See full answer

Amit S. - "YT's mission is to give everyone a voice and show them the world. So when a user is sharing their voice with us in the form of a feedback, I would receive it with open mind. I would first determine what the review is about: 1. app/website's performance 2. quality of content they experienced 3. complain about YT being addictive and causing them to lose time 4. difficulty in using the app/website (search, navigation, recent changes negatively affected their experience) 5. complain about other YTbe"See full answer

Ashish B. - "Artificial intelligence (AI) and machine learning. The increasing ability of machines to learn and act intelligently will absolutely transform our world. It is also the driving force behind many of the other trends on this list. The Internet of Things (IoT). This refers to the ever-growing number of “smart” devices and objects that are connected to the internet. Such devices are constantly gathering and transmitting data, further fueling the growth in Big Data and AI. **Blockchains and"See full answer

Ilakiya R. - " Design & Architecture Overview: The system was a scalable, cloud-based web application built to manage customer data and automate service requests. Frontend: React.js: Chosen for its component-based architecture, reusable UI, and fast rendering using Virtual DOM. Backend: Node.js with Express.js: Selected for non-blocking I/O, scalability, and rapid API development. Database: MongoDB: Used for its flexible schema, scalability, and ease of handling unstructured data. Authentication: JWT"See full answer

Jacob S. - "Cloud computing is like going out to a restaurant instead of cooking dinner at home. When you cook at home, you have to do everything yourself. You need to use your own plates, pots, and pans. You have to know how many people are coming over and buy the right amount of ingredients. If more people join for dinner than you expected, you'll run out of food! But if fewer people show up, then you'll have leftovers that go to waste. And on top of it all, you have to do all the cooking, set up, and cl"See full answer

Alex N. - "The adjusting context window size in LLM change trade off between reasoning capability, accuracy, computation cost. It influence how attention mechanist allocate resources across the input. Longer context window let it you input greater number of words and have more context to generate proper next token. However llms have lost in the middle issue. They remember the beginning of text and end of text but lost information located in the middle of long input. Another problem is Attention Dilution."See full answer

Anonymous Partridge - "We will have to use a second more powerful LLM Model to validate the answers. LLM as a judge"See full answer

anush - "@Jacob, your videos are really good and helpful. I want to know about the tool, you use for explaining the design in the videos."See full answer

Rohit K. - "As the Product Manager for Google Play Store Ads, our goal with the ad ranking algorithm is to create a win-win ecosystem. We want to connect users with relevant and engaging apps they'll find valuable, while simultaneously delivering high-quality installs and engagement for our advertisers, ultimately driving sustainable revenue for Google. To achieve this, our ad ranking algorithm will be guided by the following core principles: Relevance First: We will prioritize ads tha"See full answer

Simon O. - "Functional Requirement Ingest Book Reviews in real time User in the website needs specify title tho search books, return response is the list of reviews on the books. Non Functional Requirement: User get real-time book reviews> It nees to handle the search among 1 million of active users daily"See full answer

Jasmin R. - "Let's imagine you want to open Google Maps, you type maps.google.com and hit Enter. Here is what happens: You type maps.google.com into the address bar of your browser. Browser completes the address, for example, maps.google.com → https://www.maps.google.com [Address decoding] → browser breaks down the URL into parts ‘https://’: protocol → how the browser should connect to the website Default is HTTP (Hypertext Transfer Protocol) which shows up as ‘ http:/"See full answer

Daniel P. - "Okay, so I understand the question: "how does Google Maps compute estimated time of arrival"... There are a couple scenarios when ETA is calculated: planning a future journey, planning current journey. Can we assume scope to the current journey? The learnings will likely be transferable. User inputs to ETA include origin, destination, and route chosen. Let's assume first that the user has chosen an origin, destination, and a route chosen. We can come back to these assumptions later. The way I'"See full answer

Adarsh S. - "Thanks for the question! This is one of my favourite topics because it’s at the core of what we do as PMs DAILY: making the complex simple to drive alignment. I’ve got a structured way to approach this, and I’ll use it to explain payment aggregators - like Plaid - and how they enable Open Banking, with a twist about a technical hiccup I’ve seen in practice. Let’s dive in. I start by assessing the audience. Say I’m talking to a marketing manager at Transak - someone sharp but not techni"See full answer

Surbhi A. - "Authentication verifies "Who you are." Authorization determines "What you can do." Authentication establishes identity, while authorization specifies the actions or resources a user or entity is allowed to access or perform."See full answer