Interview Questions

Hans - "Described a scenario where I joined an established project as an EM Typical medium sized team - 6 devs, 2 testers, PO, PM (part time) Scrum master (very hands off) The product was well established and already being used by circa 30000 single country based users for the companies own products (personal banking capabilities) We were due to go live with a BIG change about 2 months after I joined - this change meant a user could manage multiple personal banking accounts from the 1 interface. We w"See full answer

Saisandeep M. - "Explained the charts with using Scatter Plot with Size and Color Encoding X-axis: Ride duration (in minutes). Y-axis: Total fare (in dollars). Point size: Encodes the star rating (e.g., larger points for higher ratings). Point color: Indicates whether the rating is favorable (green) or unfavorable (red). Heatmap for Correlation Analysis Why: Heatmaps are ideal for quickly identifying patterns and correlations between variables. How: Create a heatmap matrix where rows represent ride durat"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

Ankit kumar S. - "Been thinking about entering the world of data analytics? There’s no better time to get started! The Harvard Business Review named the roles of data analyst and data scientist as “the sexiest job of the 21st century.” The data analyst role was also included in Career Karma’s top tech jobs for the past three years running.In this article, we’ll talk about why becoming a da"See full answer

Ama M. - "Answering only estimation portion for practice (for some reason after submitting the formatting is unorganized) clarification and assumptions can I assume this grocery store location is called Greens can I assume that self-checkout means that customers checks out without assistance? can I assume that cashier checkout means that cashier assists customers with checkout? can I assume that ratio means how man self-checkouts should be place at this grocery store compare"See full answer

Steven M. - "Clarifying questions: I assume we're focused on the consumer side of this? ** Yes I am assuming post booking begins immediately after booking a ticket and ends when the user leaves the airport at their destination. Does that sound right? ** Yes Goals: United Airlines wants to get its passengers to their destination seamlessly, safely, and on time. Users: I think about user groups in 3 main buckets. 1) 24 hours following booking 2) >24 following booking through 24 hours before boarding "See full answer

Kiran K. - "I depends on the severity of the bug and the impact of the new feature. Is the bug a blocker and is having direct impact on the business flow? Is the new feature mission critical and has a major impact on customer experience, revenue, business, etc. Conduct an analysis. Include key stakeholders in this discussion."See full answer

Pooja G. - "Goal: Maps should reflect reality of places especially with places like hospitals Ecosystem : Maps User Usecases: Daily Commute Explore places Critical situations like emergency - hospital visits, work emergencies, family Businesses using Google Business Profile: Medical & Health Hospitals Clinics Gyms Restaurants Salons Mom & Pop stores, SMB - Retail Enterprises These can be online, physical or both Local guides Downstream usecases for other google products: Google Search Google Gemini "See full answer

P R. - "First I'd like to clarify the definition of reactions and confirm that it's same as what exists today. Definition: Reactions provides users the ability to provide richer expression beyond 'like' Business goal: Since this is a mature product, the business goal is to improve user engagement Product goal: Bring people closer together by letting people provide more accurate sentiment to the community based on the content Personas: 1. Content creator 2. user using reactions **Li"See full answer

Mike Z. - "Clarifying questions Scope: Just Reels in Facebook, or Instagram too? Mobile and desktop? Goal: Any specific goal we know of or up to me to decide? Framework/Overview Strategy Metric options with pros/cons North Star Metric (NSM) Risks & countermetrics Strategy / The Why: we want to give people … Meta: the power to build community + Bring people closer together Reels: new form of self-expression / entertainment with short form video and pro editing tools Ads in Re"See full answer

Abhinav M. - "Always assume good intentions on the part of both parties when resolving conflicts. Then proceed with a STAR example."See full answer

David I. - "WITH filtered_posts AS ( SELECT p.user_id, p.issuccessfulpost FROM post p WHERE p.postdate >= '2023-11-01' AND p.postdate < '2023-12-01' ), post_summary AS ( SELECT pu.user_type, COUNT(*) AS post_attempt, SUM(CASE WHEN fp.issuccessfulpost = 1 THEN 1 ELSE 0 END) AS post_success FROM filtered_posts fp JOIN postuser pu ON fp.userid = pu.user_id GROUP BY pu.user_type ) SELECT user_type, post_success, post_attempt, CAST(postsuccess AS FLOAT) / postattempt AS postsuccessrate FROM po"See full answer

Philip C. - "Initial Assumptions I’m going to assume that this is a blue sky question, and there aren’t any constraints in terms of geo, funding, etc. With that in mind, one deeply unoptimized product is… a parking meter. I’ll assume for the sake of this answer that we’re focusing on parking in an urban environment since that’s where most parking-related friction exists. I’m also going to assume that we’re a startup and don’t have any special strengths/ weaknesses that we need to account for"See full answer

Anonymous Shark - "Clarify: Are we talking about traditional noise-cancelling which cancels noise for listeners or we are talking about the speaker side noise-cancellation? - Interviewer replied: Both Are we exploring to build something on top of existing hardware around Meta VR products or something in general? - Interviewer replied: up to you. High level though process (Could be detailed with more structure): Considering Meta's vision on building metaverse, where meta currently has AR/VR products li"See full answer

Warrenbuff - "#include #include #include using namespace std; vector diff(const vector& A, const vector& B) { unordered_set elements; vector result; for (const auto& element : A) { elements.insert(element); } for (const auto& element : B) { if (elements.find(element) == elements.end()) { result.push_back(element); } else { elements.erase(element); } } for"See full answer

Rajdeep J. - "Let's take Google Fitbit as the product and analyze how to identify its competitors. 1. Identify Direct Competitors (Similar Wearables & Smartwatches) Fitbit is a fitness tracker and smartwatch brand, so direct competitors include: Apple Watch Series (Apple) Samsung Galaxy Watch (Samsung) Garmin Wearables (Garmin) Amazfit & Zepp (Huami) Xiaomi Mi Band (Xiaomi) These brands offer smartwatches or fitness bands with similar health-tracking features. 2. Use Launch Events for Insi"See full answer

S R. - "Wrote up a simple cache system using python dict. Added TTL requirement. Then went into code-level concurrency issues for the cache."See full answer

Harshit G. - "Great question. My favourite product is YouTube Music. Let's see on what its strategy should be for next year. Clarifying questions No clarifying questions on this as I will be working with my favourite products. I will have few assumptions which I will state out before we proceed. Assumptions Assuming that we need to come up with strategy for YouTube Music app - not considering YouTube as a whole as part of this. I am considering overall audio streaming as the space to come up with the s"See full answer

Manohar A. - "Some follow-up questions to correctly understand what "improve" means here? Is it to have: more riders, better user experience, monetization, more/new market penetration. Let's assume interviewer requested to choose whatever I prefer. I choose better user experience which might trigger other areas of improvement as well. Some more probing questions: To I need to consider USA only or any other country/region or global? Can I consider only popular on demand taxi service for this question? One wa"See full answer