Interview Questions

Amparo L. - "The reason I want to work at Doordash is because I’m a really hard worker, I never give up and I’m good at delivering stuff to my teachers at school whenever they have something to drop off to them, I look at the paper and then I read the directions given to me on the ipad to drop it off."See full answer

Faraz A. - "Describe basics of web browser and http request. Then go into Google's search engine. For follow-up questions, talked about http vs https (encryption), sql vs nosql data store, s3 blob storage, encryption policies, retention policies."See full answer

Faraz A. - "Blocking Queue's with multiple threads enqueuing and dequeuing calls. Follow-ups included refactoring to add a finite list of priorities for some types of calls"See full answer

Anonymous Newt - "CQ: Goal - connect two large continents, reduce the distance Is it a motorable bridge -? Any specific use case on mind? Summarise: come up with the use cases of the bridge Google’s mission -> organise world’s information and make them more accessible and useful A bridge that way is a great way to reduce the distance between two large separate continents. This bridge can help spread information faster Possible Use cases of the bridge: Transportation of physical goods: Since road tran"See full answer

Neha A. - "FB Vision Why is this problem important - bad ads can drive customer churn and pose reputational risks in terms of law suits. What is a bad ad defined as - we will exclude ad relevance. any ad that is inappropriate, harmful, and misleading. What is the user journey >> Businesses creates ads, ads are verified by FB team who will remove any bad ads, ads get published after verification, user sees the ads, reports if they dont like it, and the team verifies it again and if bad, removes it. N"See full answer

Luca D. - "The real discussion was very much similar o what exposed at https://www.tryexponent.com/courses/software-engineering/system-design/design-rate-limiter, but - as I commented the video - the real interviewer wasn't so naive to do not forgive the client identification only because IP. I had to introduce glimpses of https://en.wikipedia.org/wiki/Knowyourcustomer practice, I quoted JWT. I proposed a logical map of id addressing a "deque" of time-stamps of requests, with a threshold for the deque an"See full answer

Madhuri J. - "I think first we need to understand the questions better. Who these users are? (Any specific demographic, age users) What kind of stories are they sharing? How much is considered fewer? Once we get the answer or if we do not get answer we will have to make assumptions about all three questions. Based on the assumption we will have to define a vision. The vision should state what we want to achieve. Goal: Users between age 20 to 30 should get at least 100 shares, likes and comments com"See full answer

Jaya S. - "Understood the problem statement by confirming details with interviewer. Approached by listing down all the basic features being provided by the platform. Platform -> Organizations can register themselves. One org can have more than one recruiters. Recruiters create jobs on the org portal. Candidate can apply to the jobs. Recruiters can accept and reject the applications. Categorized 4 parent tables by taking hints in between. The tables were USER -> ID, Name, Phone No, mail ID, Profile Des.("See full answer

Greg L. - "From chatGPT: If Coinbase's net income is 10% less than it was last month, several actions can be considered to address the decrease in profitability. Here are some steps that might be taken: Conduct a Detailed Analysis:Investigate the reasons behind the decrease in net income. Analyze key financial metrics, transaction volumes, fee structures, market conditions, and any external factors impacting revenue. Expense Review:Review and analyze operating expenses. Identify areas where"See full answer

Jeremy D. - "Any cycle would cause the prerequisite to be greater than the course. This passes all the tests: function canFinish(_numCourses, prerequisites) { for (const [a, b] of prerequisites) { if (b > a) return false } return true } `"See full answer

Kartikeya N. - "Clarifying questions: What city/ country are we talking about? Indian metro. What all counts as a grocery store? Do have to cover dark stores as well which are not open to public? Only consider all grocery stores where public pick up is allowed. Do we have to include hyper markets/ super markets as well or only smaller stores? Include both. Okay, so I would be considering the Indian metro of Bangalore here. The overall equation is , **total number of grocery stores = Number of small grocer"See full answer

Jatan P. - "Step 1 - clarifying question: Are we just focusing on the customer who rented a car or both who has given a car? (Assumed only a customer who rented a car) Are we just focusing on the mobile or web apps? (Assumed only the mobile app) Step 2 -Define users: customer who rented a car. Step 3 - pain points: unclear communication between both parties. lack of support if needed. hassle-full car drop experience. No survey or complaint channel about how the experienc"See full answer

Anonymous Salmon - "Product Bugs can be categorised by severity associated with them. Product Roadmap prioritization happens by MuSCoW technique, or WSJF for big ticket items. Suggestions from Leadership normally fall in expedited bucket. Overall, if there's a Scrum way of executing all priorities, then the PO and Team get together to decide the scope of the sprints for execution."See full answer

EssGee - "I think i would start by asking what's driving the strategy for testing new ad formats? Possible options could be Increase monetization? Improve ad effectiveness? Any other objectives? Assuming that its both 1&2 - we want to test new ad formats to gauge if these are more effective and lead to higher monetization Ground the conversation into current scenario Instagram Reels is aa short form video platform that users use to showoff their creativity Reels is a relatively new addition to"See full answer

Luca D. - "Classes are represented in memory as areas where code and class shared objects are. The JVM use class loader to load classes and unload them if no more required at runtime as specified at https://docs.oracle.com/javase/specs/jls/se8/html/jls-12.html#jls-12.7, to name a very consolidated version of JVM. The interviewers supposed memory was freed without being subject to GC. I asked to discuss to clarify which hypothesis is right, the interviewers dismissed me. I'm very happy they didn't select m"See full answer