Interview Questions

Tes d H. - "Here is my first shot at it. Please excuse formatting. To find the maximum depth of the dependencies given a list of nodes, each having a unique string id and a list of subnodes it depends on, you can perform a depth-first search (DFS) to traverse the dependency graph. Here's how you can implement this: Represent the nodes and their dependencies using a dictionary. Perform a DFS on each node to find the maximum depth of the dependencies. Keep track of the maximum depth encountered dur"See full answer

Akash A. - "not able to understand the accent of the candidate"See full answer

Musonda C. - "Imagine you have a friend from France that speaks French, and you only speak English. You and your friend want to play a talking game. So, for your friend to understand you and for you to understand what your friend is saying you would need an API between the two of you. The api has its own language called api language. You and your friend will both get a small book that tells you how to speak api language. The api in between you and your friend would allow both of you to speak API language to"See full answer

Ban N. - "Follow news and resources via conferences or top companies' blogs, such as NeurIPS 2023 or Google Research Blog to get updates about the machine learning landscape. Research the papers on the new technology or approach that was mentioned or introduced via the subscribed sources, such as listed above. Following media channels, podcasts, or influencers on social media who were recently active in the industry to catch up with the trending and valuable insights, research, thoughts... Scan Github"See full answer

L B. - "For data distribution drift: DL Divergence or PSI (Population Stability Index) performance: two categories: 1st operational metrics: runtime. 2nd model performance: loss function, MAE (regression), business metrics: overall watch time, DAU, revenue lift etc Outlier: data distribution"See full answer

An D. - "Understanding the Basics Choosing Learning Resources Practicing and Applying Knowledge Seeking Help and Staying Updated Leveraging Modern Tools"See full answer

Anjaly J. - "Wing is a subsidiary of Alphabet that provides technology for drone delivery of freight. Current pain points : Noise level when drones are flying Competitive landscape in terms of traffic management system Broadcast network IDs to identify the recipient - privacy concern Considering that privacy concern is a large issue by itself and traffic management system is something I assume Wing would have plans for the future, Idea would be work on the noise level as a recently joined PM. "See full answer

Kiran R. - "Automated Reimbursement System 1. Clarifying Questions Scope: Will the system be applicable to all employees or only specific grades/levels? Ownership: Are we building this product internally for our own use, or is it intended for external/outsourced usage? MVP Requirements: Besides automation, what additional features or problem statements should the Minimum Viable Product (MVP) address? 2. User Segmentation Commute Expenses: e.g., m"See full answer

Aaron W. - "Clarification questions What is the purpose of connecting the DB? Do we expect high-volumes of traffic to hit the DB Do we have scalability or reliability concerns? Format Code -> DB Code -> Cache -> DB API -> Cache -> DB - APIs are built for a purpose and have a specified protocol (GET, POST, DELETE) to speak to the DB. APIs can also use a contract to retrieve information from a DB much faster than code. Load balanced APIs -> Cache -> DB **Aut"See full answer

Hasan J. - "My team would describe as someone who moves fast and makes sure that everyone has the right resources and tools to get the job done.As someone who is genuinely interested in helping them advance their careers and goes all out to accommodate budget and time if they are interested in learning something new and that may or may not be directly related to the current project or technologies that they are working on.My team will also describe me as a leader who has motivated and encouraged them to no"See full answer

Suhasan C. - "Clarifying questions: In which environment are we using the AmazonEcho? in mobile devices? Car? Echo devise at home? I think the following groups make the best target according to the order If the Echo is in-home devices: Kids and Teens Elderly Physically Challenged Eg. Blind or Deaf Others If the Echo is in a Car/Vehicle: Uber/Lyft or Taxi drivers Long-distance travelers taking road trip"See full answer

Anonymous Finch - "great answer!"See full answer

Anuradha T. - "What‘s the goal of increasing Spotify’s premium subscribers? - To monetize and get more premium subscribers Users: Target users could potentially fall in 3 categories 1) Users who are interested in paying a premium price for great curated playlists 2) Users who are interested in listening to music but not willing to pay a price Targeting #1 Pain points: 1) As a user I wouldn’t want to subscribe to something w/o being listening to the playlists 2) If I do subscribe I would like to receiv"See full answer

dungeonMaster - "Objective: Migrate from subscription base business revenue model to ads based revenue model. Continue with subscription base revenue model, showcase ads on platform only. (Not in between the content). Continue with subscription base revenue model, showcase ads on platform and in between content. Provide different monthly plans based on with ads or without ads Increase revenue by X% - Decide based on this object what revenue model to accept. Assumption: Netflix wants to continue"See full answer

Jim T. - "In the end I said number of bookings, but explained how I would get there. I talked about the company's mission first (which I didn't know but guessed it was something about making it easier or more accessible for people to travel) and then talked about a few potential metrics that could fit (bookings, NPS, etc). But in the end I explained that number of bookings is not only tied to their core value proposition, but it also reflected a happy customer base on both sides of the transaction (renter"See full answer