System Design Interview Questions

Nilanjan D. - "I think we can analyse the data that's collected especially the users who are requesting it.if we find that there are set of users who regularly use this service then we may cache the data for those users to speed up processing and better the experience. The fresh data (which will be a delta on the cached data can only be calculated) and the stale data can be left out thereby updating the cache"See full answer

Chaitali M. - "Clarifications: Is it the voice only Alexa devices or includes echo show (video)? Goal: To have people to safety quickest Users: Alexa owner At the house when somebody breaks in Family Single adult/seniors Outside the house at the time of break in Police Department Pain points/user group: Owner in the house at the time of burglary Inform all the house members at the earliest. Send SOS out on all/selective Alexa devices to ask family members to reach a safe place 2"See full answer

Yulia D. - "What age of kid we are speaking about? Lets assume 5-10 years what messenger app are we talking about? you can choose Who is creating the feature? you can choose Finally, do we have any constraints? no, please, just imagine ok. so I think company's goal should be giving the tools for building communities among the youngest ones. First I want to issue what is Kids messenger app. I have kid of 5 years old and among my friends there are only few with gudgets that can provide messenger f"See full answer

Jeet B. - "I contradict the choice of DB for storing App Data in this case, I believe a NoSQL would have been a better choice. Could you please clarify why you chose RDBMS/SQL?"See full answer

Amin S. - "We can implement Mall psychology, use the monkey effect, FOMO, top-rated stuff from the same restaurants, bundle offers like couple or group offers, and prompt popups for free delivery if you complete X$ amount by adding X item. We can lure customers by giving free subscriptions to Spotify, Netflix, etc. by collaborating with these giants. This is a long-story-short overview of how we can increase the average basket size. Tracking telemetry and refining can make a difference obviously..."See full answer

Kavitha G. - "What does the google translator does is translate the text from one language to other takes voice command in a language and translate it into another language both in voice and text Below are some of the Areas in which it can be improved, The user experience of the translation - text to text The current translation can take input data of certain size only. If the data size is more, it clearly rejects and doesn't translate until we truncate the input message. Suggestion to improve:"See full answer

Karthik M. - "Assumptions & Clarifications Users have access to all Google Workspace applications like Google Drive, Gmail and the same photo editing tool - let us call this tool - Google Photo Editor (GPhoto). Users can share the images like Google Docs - giving people read-only, read-write / edit access Goals Google's vision is to organize the world's information and make it accessible. GPhoto's mission / goal is to organize the world’s photo and make it accessible to others to view, edit or"See full answer

Ak - "First, I'd like to ask a few clarifying questions: Do you have any specific user segment in mind or i can choose? A: you can choose Should we think about mobile rather than website? A: you can choose, choose mobile because of growth in usage across the glob Do you have any specific objectives in mind or i can choose? A: you can choose Is this app stand alone or part of broader Facebook ecosystem ? Part of Facebook Facebook mission is to give people power to build community and bring"See full answer

Anonymous Impala - "Understand who will use the kitchen is the first step"See full answer