Interview Questions

Ashish G. - "Rate Limiter is to limit the number of request from a particular IP Address. Rate limiter will block the IP address to reduce the load on server. It should be highly available and handle concurrent requests. Blocked IP addresses should be kept in a pool which is present in shared cache. We need to keep threshold value after it reaches threshold value it should start blocking IP address. All these ip address to be kept in No SQL DB. Batch will run that will clear the cache and delete all the bloc"See full answer

Sueudo G. - "I think rapport with the team is key to deciding what one of these members can do that would bring more development capability to him, the team and the project. Analyzing the skill and attitude of my team members in advance and putting them in the role where they are strongest and happiest has been an important factor in my success stories. Taking care to identify a potential leader in the team will make it evolve faster as well. So this is how I make decisions when forming a squad for a spec"See full answer

S R. - "Did pretty ok. Gathered requirements, back of the envelope calculations and drew out the typical system design with details of components. Dug in deep into each box and probed around why it was needed."See full answer

Jiin S. - "I would firstly see what's the trend of the sales by monthly, daily, and yearly to see when was the decline started and what happened during that time. I would also look at the sales by different customer or product segmentation to see what segment had the most decline in sales. Then, I would make some hypothesis where like for this age range customers with this product segment had a decline in sales due to XXX and we would increase the sales by YYY with this new feature. Then I would design the"See full answer

Allison C. - "If I were to design a smartwatch app for Uber, I'd sort my work into two buckets: modifications fro the mobile-native app and new features that would be considered for the Uber experience on a smartwatch. As for modifications - you'd really have to think through the customer journey of ordering an Uber from your watch. For the purposes of this question, the only use case to use Uber would be to order and complete a ride from one point to another, not to look at ride history or get help on a pr"See full answer

Cameron P. - "3 fav products. Pick 1 and 10X it. My criteria: Add value to my life Easy to use My fav products: Pinterest Youtube Google Docs How would you 10X Youtube? Interviewee: 10X revenue? 10X user base? 10X sales? Interviewer: you can decide Interviewee: Ok, let’s discuss Youtube's mission and goal and we will determine which direction to proceed after Youtube: Global product. Has Red,Music,Kids,Premium. Subscription and Ads. 5B videos watched per day. 80% market share Missio"See full answer

Anjali A. - "The product owner works closely with the tech team day to day, keeping track of the sprint stories and backlog and helping to unblock day to day blockers and dependencies. The product manager oversees the roadmap of features from the discovery to solutioning stage."See full answer

Anubhav A. - "Lets see, what kind of cost does google have to incur to run google photos. To think about this clearly, I want to think as if I was going to setup Google Photos now and it doesn't exist till today. Cost for Building software and maintaining it Cost for acquiring users Cost for keeping the data of users safe and accessible Miscellaneous Now lets come back to today where Google photos clearly exist and I will think about the costing in each of these sections. Google photos s"See full answer

Ayo A. - " Broke down the problem in this: Features scope API design Pseudo code for specific components Data model/schema Back-of-the-envelope calculations Reference links Link to whiteboard or diagram such as https://sketchboard.me/new Good luck! Considerations: Content could be potential large Older content should clean from the server URL: Pastebin.com/2324234 Features Scope: user can paste any text content .TXT, .HTML Limit on the amount content compress data and send over"See full answer

Sai ganapathy S. - "Estimate the number of Slack Users. Are we going to calculate the number of Slack users only in the US or throughout the world ? Slack users within the US By Slack users, are we going to consider only personal account users or enterprise account owners as well ? Both. Enterprise and Personal Account. Assuming that there are around 330 Million individuals in the US, splitting them into various age groups. 0-20, 2-40, 40-60 - 80 Million each Above 80 = 80 Million Since"See full answer