Interview Questions

GalacticInterviewer - "I first clarified what he needed for the leaderboard meaning did he need a gaming leaderboard system, a stock market leaderboard system where the trades placed would be ranked in terms of values or a coding platform leaderboard where the users are ranked as per the points earned by solving the problem? He answered that he wanted a multipurpose leaderboard system He was specifically interested in the design of the api part Explained him that assuming we had a flask api there would be a get re"See full answer

Abdullah J. - "Isn't adding and removing from a max heap logn so the time complexity of the second approach would be O((n+k)logn)."See full answer

Kshitij I. - "Data lake and warehouse are both places that allow an organization to store large amounts of data. When swimming in a lake, one would imagine that they come across all sorts of stuff - floating twigs, fish in the water, stones, chemicals and sometimes may be even a snake. Similarly, a data lake stores all forms of data that the company has without any indexing. The data is available at any time but needs to be first cleaned up and reorganized before it can be used for any type of analysis. A"See full answer

Inraathp R. - "Clarify : "Movie watching” can happen in a Theatre On a cable TV via an OTT app, A dedicated home-theatre set-up. I will focus on OTT streaming on a Smart-TV because: It is the fastest-growing surface (70 % of long-form streaming minutes). Geography: USA Platform : Any (Android TV, Tizen etc) OTT: Netflix What are we trying to improve ? Basic Journey -->Switch on TV->Navigate to OTT->Find Movie->Play Movie->Consume Audio and Video Setup Journey -> Create account -> Setu"See full answer

Natalie C. - "I walked through the code for a react.js based tic-tac-toe game written in typescript. The goal was to find ways to improve the code/ suggest improvements. I missed some areas like where state was being updated directly rather than using React's setState. There were issues around clear and maintainable logic, adherence to React best practices."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

Roger R. - "Get data from database CDC to Kafka; Write from Kafka to a Bucket; Send the batch file to Visa from time to time;"See full answer

Mohammed H. - "First i will collect relevant data,Actual problem,Necessary input and raw material then i will start design drawing,modeling,Callibration and finally handing over my work."See full answer

Nils G. - "Bitshift the number to the right and keep track of the 1's you encounter. If you bitshift it completely and only encounter one 1, it is a power of two."See full answer