Interview Questions

Himani E. - "The cases where data is under heavy outlier influence. Since mean fluctuates due to the presence of an outlier, median might be a better measure"See full answer

Anonymous Porcupine - "https://www.geeksforgeeks.org/find-local-minima-array/ I coded O(N) but after that gave a binary approach aswell. After that he also gave a varient of this problem in which, local minima means that the number is strictly less than its adjacent (we cannot do binary search there sample test case [1,1,1,1,1,1,0,1] or [1,0,1,1,1,1,1,1] using mid we cannot determine if the minima is on left or right). we have to do a linear search or find recursively."See full answer

Reno S. - "func isMatch(text: String, pattern: String) -> Bool { // Convert strings to arrays for easier indexing let s = Array(text.characters) let p = Array(pattern.characters) guard !s.isEmpty && !p.isEmpty else { return true } // Create DP table: dpi represents if s[0...i-1] matches p[0...j-1] var dp = Array(repeating: Array(repeating: false, count: p.count + 1), count: s.count + 1) // Empty pattern matches empty string dp[0]["See full answer

Wang L. - "Tagging system - tagging the resources, like tickets, tasks, pages. Support to query based on tags."See full answer

Amparo L. - "Yes I do, we discuss our agendas as a team and then we work together to get the tasks done before our work shift ends."See full answer

Exponent - "Before we begin, it's important to understand what the interviewer is testing with this type of question. This is a Strategy Question that tests an interviewee's ability to create compelling arguments from high level information, discern motive, and think strategically. We can split this question into two views: is Spotify's high churn rate okay or not? Let's see the argument that is bad, and then the opposing side. High churn is bad We'll first give the naive argument here — that churn i"See full answer

Gaddipati V. - "NA"See full answer

Lucas G. - "A confidence interval gives you a range of values where you can be reasonably sure the true value of something lies. It helps us understand the uncertainty around an estimate we've measured from a sample of data. Typically, confidence intervals are set at the 95% confidence level. For example, A/B test results show that variant B has a CTR of 10.5% and its confidence intervals are [9.8%, 11.2%], this means that based on our sampled data, we are 95% confident that the true avg CTR for variant B a"See full answer

Mark - "Clarifying questions: What's Airbnb goal in making this requirement? Are we talking about the listing for Airbnb's core business - lodging? Approach: Before we dive in, it would be beneficial for us to first discuss our base understanding of Airbnb's business, who are the user segments that this feature can impact, and some hypothesis on what Airbnb's goal should be Once we define the goal of this feature, we can go over our approach on how we will evaluate whether we should make"See full answer

Rajeev K. - "I’ve spent over 6 years building and scaling e-commerce products across EMEA and APAC. At Jumia, I led product initiatives on the checkout and payments side. For example, I launched gamified promotions on PDP and checkout that improved engagement and delivered a 2.3x uplift in conversion. I also introduced automated installment payments and order cancellation flows, which not only improved user trust but also reduced complaints by 30% and lowered operational costs. Before that, at Lazada, I work"See full answer

Nishtha - "How much does the Empire State Building weigh? I will estimate the weight of the Empire State Building using a structured approach. I’ll start with clarifying questions, define an equation, make reasonable assumptions, perform calculations, and address trade-offs and potential errors. Clarifying Questions To refine the scope, I considered: How many floors does the Empire State Building have? What is the area per floor? What materials are used (e.g., steel, concrete)"See full answer

Erjan G. - "this task is misleading . i used lag(1) and lead(1) cuz it did not say "compare temperature from 2 days before and 1 day before" , it reads to me as if its asking "compare cur temperature to prev and future and see if it rose and fall""See full answer

Yasir M. - "Open Oriented programming is a way to organize code around objects rather then functions."See full answer

Greg Y. - "Thanks for interviewing me!"See full answer

Hillary N. - "I needed to gain insight into the reasons why customers were retained by Upsie. I decided to use key driver analysis to see what I could learn about the factors motivating customer loyalty. I conducted a survey with these questions: How likely would you be to recommend Upsie on a scale of 1-10? How satisfied are you with Upsie's warranty price on a scale of 1-10? How satisfied are you with Upsie's warranty coverage on a scale of 1-10? How satisfied are you with Upsie's warranty cla"See full answer

Anubhav A. - "Started at 1.48 Clarifying question: Are we interested in a particular lens for this problem? Looking back in history to understand what significant changes did fast internet made in the world: -> Fast Internet - More consumption -> Fast Internet - More Adoption -> Fast Internet - Cheap Internet Let's try to see what kind of things will change in each of these categories. Let me look at it from a lens of an end user (internet consumer uses the internet for work and maintaining their socia"See full answer

Ben G. - "Situation - A time where I encouraged my work team to be more creative and innovative was while I was directing design at Blade Urban Air Mobility. Long story short, they had no creative programs in place for cross collaboration and innovation. Action - I introduced Figma into the product workflow, and set up time with the technical team to demo and go over the basics of the program. This allowed everyone to collaborate on the designs, leave comments and streamline the process of creative dev"See full answer