Interview Questions

Rahul D. - "Clarifying questions: Revolut aim is to be one stop financial shop (super app) the cross border payments is yet another feature which makes cutomers come to revolut again and again to pay across borders, correct? If so, cross border payments is an important solution for Rev's overall mission and as a principal I would like to agree that whatever feature improvement we suggest should Not take customer outside of Rev App Should continue making Rev's cros border payments best in"See full answer

Jacky Y. - "Problem scope: Can this system detect Bot in real-time online or offline? Both. Online traffic: 1M DAU. Latency: 2s. Offline frequency: daily Offline data: 2B activity logs. Data: How do we know a Bot player (Label)? Human label. Imbalance data: reweight, resample. Develop a Bot simulator to generate more data offline for training. Given lower weight to simulator data than human label. Features: Signals from different models online. Log all the features for offline. Propose new features: dail"See full answer

Ramendra S. - "Step 1: Clarifying the Problem Scope We will focus on designing the leaderboard for Dream11 with these assumptions: Registered teams: 100,000 users are actively participating and ranked. Real-time updates: Leaderboard updates frequently as players accumulate points based on live sports events. Multiple leagues: Each user can participate in different leagues, so we will need to maintain a separate leaderboard for each league. Query efficiency: Users frequently"See full answer

Umang S. - "In my role as a Product Owner, I was developing a platform for a logistics company. As a PO and that too of a digital agency, my work was mostly before-end-to-after-end, it would start from pitching, strategy, product management, launch, funding deck prep. In mid of the product management cycle, the client starts adding pressure to deliver way before the deadline, as they had found the PE firm that conceptually was ready to start funding discussion, since this was not scoped before the start,"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

Saket S. - "I will divide my answer in 2 parts: Process I use for managing risks in any Project I will explain a real life situation where a Risk occurred and how I managed it Process for Risk Management can be broken down into 3 parts: Risk Identification: Risk identification is a team effort and is an ongoing process that happens throughout the Project. Technical Risks are usually identified during design/build/testing stage. I maintain a Risk register document to capture all the risks identified"See full answer

Anonymous Raven - "How often do we get 15 min to answer a question? Wondering isn't the expectation to answer this in 3-5 min?"See full answer

Patrick W. - "Clarify: Any specific types of groups (families or business)? Type of travel (air, train)? Global or domestic? Assumptions: Users have interest in travel. Content within Meta apps can help FB, whatsapp, Instagram. Have access to user data with travel preferences and budget. Resources to interact with travel businesses and institutions. Constraints: Users typically think of meta apps in the early discovery phase of travel, typically use travel company apps to complete experience e.g. booking,"See full answer

Bajrangi C. - "As a Technical Program Manager at Amazon, I typically coordinate cross-functional teams to drive technical project execution, ensuring timelines and deliverables align with business goals. My day involves managing stakeholders, resolving blockers, and continuously optimizing processes for scale."See full answer

Rjj - "I tried solving this problem and here is the recorded video for the answer. https://www.youtube.com/watch?v=d1tOkeQjyI4 And here is the link to Excalidraw board - https://excalidraw.com/#json=uabNFHcZm5qNh8CInMvyh,Wn9Vf1ZhGdl_iBCQYFkYdw"See full answer

Sahil A. - "Clarify: Zoom for business - we are referring to Zoom meetings for enterprise customers Are there any specific features or goals we want to track. Assumption - We are at overall zoom business for enterprise customers Is there any particular geography or demographics we want to look at - Assumption - we are looking at across the globe Goals: Zoom allows users to conduct meetings internally and externally with folks across the organization. Enterprise customers access Zoom with their cor"See full answer

dreamingincode - "In the API design, the interviewer is switching between RPC style (operation based endpoints) and REST style (resource oriented). Sticking to one convention and explaining why it is preferred over the other e.g. REST if the twitter domain maps nicely to resources e.g. /tweet or /follower or /user would help to create a more consistent and unified API. It would make it easier for clients to integrate with the API as well."See full answer

Simran M. - "To answer why Spotify introduced Podcasts, I would like to use 3C framework- Customer, Competitors and Company. Customers We have seen Spotify has a high WAU. This means users are engaged to the platform for music. Listeners need some new trend to listen to while going to the gym for example, or being stuck in a traffic. Sense of listening to something productive is what users need these days. Podcasts are lesser commitment than audiobooks because of short episode length"See full answer

Chitapuram N. - "Since there is a need for the data to be accurate and consistent without any latency to allocate a spot, can't the data be synchronously synced to replicas after every write as the number of writes are not many per min, instead of read lock phenomena Let me know if i am on a wrong thought here."See full answer

Anni P. - "I firstly discuss the brute force approach in O(n^2) time complexity , than i moved to O(nlogn) tine complexity than i discussed the O(n) time complexity and O(n) space complexity . But interviewer want more optimised solution , in O(n) time complexity without using extra space , The solution wants O(1) space complexity i have to do changes in same array without using any space . This method is something like i have to place positive values to its original position by swapping and rest negativ"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

Manu G. - "Design an alarm clock for blind people Clarifying question: Does it have to be a physical product or software? Your call Do I need to think about the long-term implications of the product from a strategy perspective or a single product? single product What are the metrics this company will focus on? Engagement What industry are we in? (start-up, google/Amazon, etc) - Startup What do we mean by blind? - ppl who cannot see anything, or people who still have sense of"See full answer