Interview Questions

Arthur Y. - "Clarifying Questions: By “down”, do we mean creation of messages (activation), engagement, or both? My assumed answer: engagement How are “messages” defined? Is it comments to posts, DMs, or posts themselves? My assumed answer: DMs How is engagement of DMs defined? Is it by number of DMs viewed, created, replied to? My assumed answer: all of that Quick Product Strategy Discussion: Why messaging is important to LinkedIn LinkedIn’s mission is"See full answer

Pramod S. - "Engineering Managers (EMs) juggle multiple responsibilities, which can vary significantly depending on the company, team, and organizational needs. One of the most critical skills for an EM is strategic thinking. This includes setting a clear vision for the team, participating in roadmap planning meetings, and crafting actionable roadmaps to guide the team toward its goals. In addition to strategic thinking, an EM must excel in three key areas: People Management: This involves ensuring te"See full answer

Anzhe M. - "It's a 2Sum question with duplicate array elements."See full answer

Prerak B. - "Would like to ask some clarifying questions: Is it a digital product? Yes? Application or website? Geography we are targeting? Assuming it is an app. Are we a new company or startup? Do we have any tie ups with other companies to reach a wider audience? Assuming I am the product manager of this application – goal of the application is to encourage voting more questions: Are we in the election year? Nearing the voting phase? If yes, then it will be easier for us to get users fo"See full answer

GalacticInterviewer - "Approach 1: Use sorting and return the kth largest element from the sorted list. Time complexity: O(nlogn) Approach 2: Use max heap and then select the kth largest element. time complexity: O(n+logn) Approach 3: Quickselect. Time complexity O(n) I explained my interviewer the 3 approaches. He told me to solve in a naive manner. Used Approach 1 had some time left so coded approach 3 also The average time complexity of Quickselect is O(n), making it very efficient for its purpose. However, in"See full answer

D S. - "Estimate Google ads revenue. Clarifications: Google ads: only includes ads shown on Google search pages. It does not include any other ads such as display advertisement etc. Google makes money everytime a user clicks on an ad. Market - US Monthly / Yearly - Yearly Revenue in $ For 2020 ? - yes So to state the Q again, I have to estimate Google’s annual search ads revenue for 2020. Ads revene =( $ads clicked everyday * avg price per ad ) * 360 $ads clicked every"See full answer

Anonymous Sparrow - "To make sure we are on the same page, this is a feature in the current FB app that would make it easier for people to volunteer? Or more broadly, the feature would aim to expand the base of volunteers. To start I want to dive deeper on the objective of the feature. Then we can look at possible users, pick a segment and outline their needs, then look at some solutions. We can then prioritize and see how we might roll something like this out. If I look at FB mission of building community and brin"See full answer

John F. - "While working as a consultant, I was assigned to a project to design and build a solution for accessing and managing documents on deepwater drilling wells with limited connectivity. I and the developer assigned to the project conducted interviews with various engineers and team members on the rigs. We worked with the client's IT group to analyze options for getting content to and from the rig. Together, we came up with a solution that would leverage their existing SharePoint infrastructure (avai"See full answer

Eshaa D. - "Design an accessible alternative to airport lounges. Clarifying questions: Is this global international airports or only US focused? - US to start Goal: To provide travelers a more accessible and comfortable travel experience. Users: Disabled / elderly travelers – need physical accessibility and sensory-friendly environments Families with kids Economy travelers – can’t access lounges but still want rest, Wi-Fi, and clean spaces. Business travelers – want work pods, reliabl"See full answer

James H. - "I broke the vehicles down by regions in the world. Designed a wireless api interface to sync with a database backend that linked to google maps through another service and api."See full answer

XponentShift32 - "solving to find a cycle in directed graph"See full answer

Salome L. - "SELECT items.item_category, SUM(orders.orderquantity) AS totalunitsorderedlast7days FROM orders JOIN items ON orders.itemid = items.itemid WHERE orders.order_date BETWEEN DATE('now', '-6 days') AND DATE('now') GROUP BY items.item_category `"See full answer

Saket S. - "I will ask few clarifying questions to the interviewer: Is there any specific application that we are referring to (assuming B2C website/app) What are we Trading off here (assuming Requirements/Features) I will consider following criteria to prioritize Trade offs: Impact on User experience: In terms of usability, reliability, and efficiency Usability: Ease of Use, Intuitive UI Reliability: Functions as expected and produces desired results, tolerates user mistakes and prevents unauthor"See full answer

RestlessMonk - "My style of inspiring / discovery sessions / brainstorming / execution guidance / upskiling the team has always been Outcome driven. Outcomes always took the central focus of our efforts, and hence easier prioritisation and a clarity on why a decision failed or succeeded. I take personal responsibility to help the teams to define outcomes if it is a complicated charter and for most help them fine tune the outcomes to keep them simple, progressive and aspirational."See full answer

Dhruv M. - "During my internship at Inceptra Analytics, our team was working on improving the monthly reporting process for the operations department. I proposed switching from manual Excel reports to a Power BI dashboard to automate and visualize key metrics. However, some team members were hesitant—they felt the current process, although tedious, was more familiar and controllable. My task was to get buy-in from the team to adopt a more efficient reporting method without causing disruption or resistance."See full answer

Anonymous Unicorn - "input_logs = [ f"{senderid} {receiverid} {transaction_count}" "1 2 2", "3 2 42", "2 2 22", "1 1 12", "2 1 1", "2 5 4", "4 2 15" ] input_threshold = 20 exptected_output = [ list of user_ids that made more than 20 transactions sorted by number of transactions in descending order "3", # 42 transactions "2", # 27 transactions (22 + 1 + 4) #"4", # 15 transactions #"1" # 14 transactions (2 + 12 + 1) ] def gettopapi_users(logs, thres"See full answer

Ying T. - "def encode(root): if not root: return [] def dfs(node): if not node: return res.append(node.val) res.append(len(node,children)) for child_node in node.children: dfs(child_node) res = [] dfs(root) return res def decode(arr): if not arr: return None n = len(arr) i = 0 def dfs(val, children_count): if children_count == 0: return Node(val) cur_node = Node(val) cur_node.children = [] for j in range(children_count): nonlocal i i += 2 cur_node.children.append(dfs(arr[i], arr[i"See full answer

Jiin S. - "I would use A/B testing to see if the new feature would be incrementally beneficial. To begin the testing, we should define what's the goal of this testing. Let's say the new feature would increase the average number of trade by X. Then randomly assign the clients to two groups, control and test group. Control group doesn't see the new feature and the test group see the new feature. We could also stratified sampling if we want to make sure cover different customer segmentation. During this desig"See full answer