Interview Questions

Danyal R. - "Understand the problem: Chipotle is a chain, located across the US. It's in every major city Make Assumptions I'm assuming in each state there's approx 5 Chipotle restaurants. So in total across US there is 5 * 50 = 250 Chipotle's Let's calculate the sales revenue for a whole year. Create an equation Total Yearly Revenue = # of people going to Chipotle X* *frequency X cost of a meal Break down the problem \# of people going to Chipotle There's about 300M in the US. Out of 300M I'll a"See full answer

Anubhav A. - "I have not been at SFO airport but if it would have been a similar busy airport like Mumbai Airport I would use the following approach. Re-iterating the question: We are interested in improving the experience for users who drop their cars in airport parking. The experience in question starts from the moment they enter the parking area till the time they board the plane. Core metrics that define the experience for users: Time taken to board the flight from the time I reached at the parking z"See full answer

Andrei S. - "Follow up question was: what is your strategy to sell it?"See full answer

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

Ramesh Y. - "Clarifications: Is it passenger/cargo/defense Answer: Passenger Is it direct or stops included - Direct Last I read London had 80 M passengers annually Per month - 6.7 M Per Day - 220 K Assumption here - London is a hub and it has flights to all continents. Assumptions are the split below Flights to Europe -- 30% Flights to USA -- 20% Flights to Asia -- 30% Flights to Africa -- 10% Flights to Australia -- 10% Dubai is part of Asia - 30% of 220 K is 66K Within Asia - Passeng"See full answer

Hiro L. - "Clarification : Criteria: User Journey Potential Use Case: Pain Points: Possible Solutions Tradeoff: Metrices:"See full answer

Clayton P. - "The interviewer hinted that a two-tower recommender system might be a suitable approach, using user history to embed users and pages separately and train on view or interaction data. Instead, I proposed a different approach that I felt was more aligned with how knowledge is structured in Confluence: I designed a system using a graph database to model the relationships between Confluence pages. Each page is a node, and edges represent content-based references. For example, when one article"See full answer

Syed mohammed S. - "As a udemy learner, It would be great if we have a more interactive discussion/forum to raise our doubts and get answers via shorts videos over text. I would want short videos which are insightful, crisp & easy to understand. which will help peers understand major topics in a simplified way for a better learning experience. As a udemy learner, there should be an option to upload or capture a 2 min video once the module/course is completed, by this the other new enrollees would get a b"See full answer

T I. - "This is due to sticky sessions. The load balancer is not correctly configured with sticky session option. It is likely the servers were storing session data on the server themselves (in-memory), and thus when user makes a request, the load balancer routes this to a different server than the one they started with, that second server may not recognise the user's session. This could prompt the user to log in again. One way to resolve this, is to use a centralised session storage, something like"See full answer

Vishwanath K. - "DevOps Engineer Interview Questions for 3+ yrs experience candidate"See full answer