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Interview Questions

Review this list of 4,411 interview questions and answers verified by hiring managers and candidates.
  • DoorDash logoAsked at DoorDash 
    +5

    "Let me first start with some clarifying questions What do we mean by 10x? User engagement/ revenue/ acquisition?: Revenue Are we looking at global revenue or from a particular market like USA?: Global Are there any constraints or timelines for this ask?: Not much constraints, lets aim for a 10X increase in 5 years Sure, let me first start with the Goal of Duolingo. Duolingo’s aim is to simplify language learning and make it entertaining as well as educational. It is known for it’s use of"

    Kartikeya N. - "Let me first start with some clarifying questions What do we mean by 10x? User engagement/ revenue/ acquisition?: Revenue Are we looking at global revenue or from a particular market like USA?: Global Are there any constraints or timelines for this ask?: Not much constraints, lets aim for a 10X increase in 5 years Sure, let me first start with the Goal of Duolingo. Duolingo’s aim is to simplify language learning and make it entertaining as well as educational. It is known for it’s use of"See full answer

    Product Manager
    Product Strategy
  • Google logoAsked at Google 

    "Constrain the requirements (The final product should be somewhat like Neptune AI and also enable for A/B testing) Do some back of the envelope calculations Start explaning your system with appropriate architecture diagrams Optimize for scale Answer any questions Wrap-up"

    Varun G. - "Constrain the requirements (The final product should be somewhat like Neptune AI and also enable for A/B testing) Do some back of the envelope calculations Start explaning your system with appropriate architecture diagrams Optimize for scale Answer any questions Wrap-up"See full answer

    Machine Learning Engineer
    Machine Learning
    +1 more
  • Microsoft logoAsked at Microsoft 

    "I confirmed with the interviewer that its about how slave replaces primary when primary node when suddenly shuts down. It was very tough question for me i felt. i told, we need to maintain schema of primary, secondary instances with their URL's and posts. There should be heartbeat service which always pings the actual microservices to get to know their instances health."

    Sreenath P. - "I confirmed with the interviewer that its about how slave replaces primary when primary node when suddenly shuts down. It was very tough question for me i felt. i told, we need to maintain schema of primary, secondary instances with their URL's and posts. There should be heartbeat service which always pings the actual microservices to get to know their instances health."See full answer

    Software Engineer
    System Design
  • +5

    "As per my understanding, Success of the AI product/feature has to be measured in 2 aspects: success of the problem it solves success of the model used Success of the problem- start with the overall business goal of the problem(acquisition, retention etc) & the high level metric(essentially north star) then comes the product/feature level goals & metrics(conversion, engagement, clicks etc) Success of the model used- general: precision, recall, latency ethical: bias, safety busine"

    Debajyoti B. - "As per my understanding, Success of the AI product/feature has to be measured in 2 aspects: success of the problem it solves success of the model used Success of the problem- start with the overall business goal of the problem(acquisition, retention etc) & the high level metric(essentially north star) then comes the product/feature level goals & metrics(conversion, engagement, clicks etc) Success of the model used- general: precision, recall, latency ethical: bias, safety busine"See full answer

    Product Manager
    Analytical
    +1 more
  • Instagram logoAsked at Instagram 
    Video answer for 'How would you enhance Instagram Stories?'
    +86

    "IG already has a large user base. So the team would not need to look into acquire more people but enable new feature(s) for users to be more excited (which eventually would result in more people coming back more often). Facebook, as a company, strives to connect more people and help them have an amazing experience through interactions with their friends. This is the basic principle on which FB's various apps work on. So I would aim to build this feature with the overall vision of the company to"

    Siddharth R. - "IG already has a large user base. So the team would not need to look into acquire more people but enable new feature(s) for users to be more excited (which eventually would result in more people coming back more often). Facebook, as a company, strives to connect more people and help them have an amazing experience through interactions with their friends. This is the basic principle on which FB's various apps work on. So I would aim to build this feature with the overall vision of the company to"See full answer

    Product Manager
    Product Design
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  • Meta logoAsked at Meta 
    +45

    "Clarify the problem: What does exercising mean here?- can be anything with minimal to moderate activities like yoga, cardio, running, bodyweight exercises So for this product, should we consider only physical health or mental health or both- assume physical health for now Any specific objective that we are thinking about?- to re-create the habit in people to take at least 30mins of their time in their daily life for some exercise Are we talking about a physical or digital product?- d"

    Debajyoti B. - "Clarify the problem: What does exercising mean here?- can be anything with minimal to moderate activities like yoga, cardio, running, bodyweight exercises So for this product, should we consider only physical health or mental health or both- assume physical health for now Any specific objective that we are thinking about?- to re-create the habit in people to take at least 30mins of their time in their daily life for some exercise Are we talking about a physical or digital product?- d"See full answer

    Product Manager
    Product Design
  • +41

    "Before we can delve into opportunities to increase revenue and create a roadmap for next 5 years, let's look at Spotify's Vision and Mission Statement Who are the key stakeholders currently in spotify's ecosystem and how does spotify make revenue What are some of the key market trends that impact the stakeholders in the spotify's ecosystem Spotify's Vision and Mission Statement Mission: Our mission is to unlock the potential of human creativity Vision: Spotify's vision is to be"

    Rushab S. - "Before we can delve into opportunities to increase revenue and create a roadmap for next 5 years, let's look at Spotify's Vision and Mission Statement Who are the key stakeholders currently in spotify's ecosystem and how does spotify make revenue What are some of the key market trends that impact the stakeholders in the spotify's ecosystem Spotify's Vision and Mission Statement Mission: Our mission is to unlock the potential of human creativity Vision: Spotify's vision is to be"See full answer

    Product Manager
    Product Strategy
  • Meta logoAsked at Meta 

    "Clarifying questions What company are we?: Uber Why do we want to build the feature?: To increase transactions or revenue Do we have a particular problem in mind or am I free to select the same?: You are free to select the same Do we have any constraints or timelines in mind?: Assume working under realistic budget and a timeline of 6 months Can I assume we will have access to relevant data and AI models for the product?: Yes First let's discuss the Vision for Uber. It is to allow peop"

    Kartikeya N. - "Clarifying questions What company are we?: Uber Why do we want to build the feature?: To increase transactions or revenue Do we have a particular problem in mind or am I free to select the same?: You are free to select the same Do we have any constraints or timelines in mind?: Assume working under realistic budget and a timeline of 6 months Can I assume we will have access to relevant data and AI models for the product?: Yes First let's discuss the Vision for Uber. It is to allow peop"See full answer

    Product Manager
    Artificial Intelligence
    +1 more
  • Video answer for 'Design Google Docs.'

    "Problem & goal People need a simple way to create documents, collaborate in real time, and never worry about version control or losing work. Traditional word processors were powerful but slow, file-based, and hard to collaborate in. Target users Knowledge workers, students, and teams who write frequently and collaborate often, sometimes across time zones and devices. Core principles Make writing fast, collaboration effortless, and complexity invisible unless the user needs it. **K"

    Vinit N. - "Problem & goal People need a simple way to create documents, collaborate in real time, and never worry about version control or losing work. Traditional word processors were powerful but slow, file-based, and hard to collaborate in. Target users Knowledge workers, students, and teams who write frequently and collaborate often, sometimes across time zones and devices. Core principles Make writing fast, collaboration effortless, and complexity invisible unless the user needs it. **K"See full answer

    Software Engineer
    System Design
  • Software Engineer
    Coding
  • "Functional requirements: user can send an input and wait for the result Group up to 100 individual requests in to single GPU The system should should send results back to the user who requested it when done Non functional requirements: Minimize the waiting between two batches of execution/ reduce idle time error message if a batch faiils Scale to support multiple GPUs Core Entities: Request Batch Result API Design: POST /predict -> {requestid: "", response: ""} req"

    Alok S. - "Functional requirements: user can send an input and wait for the result Group up to 100 individual requests in to single GPU The system should should send results back to the user who requested it when done Non functional requirements: Minimize the waiting between two batches of execution/ reduce idle time error message if a batch faiils Scale to support multiple GPUs Core Entities: Request Batch Result API Design: POST /predict -> {requestid: "", response: ""} req"See full answer

    Software Engineer
    Artificial Intelligence
    +4 more
  • Meta logoAsked at Meta 
    +8

    "Before starting the answer I would align on goal, call out the structure where I cover what all am i going to talk about in the interview. Why laying out structure is important because the aprox time available to you is 35 min, so Structure shows the intent and the depth at which you are willing to go and think IMO This is how I would start- Sure before jumping in, I’ll first align on what this product is trying to achieve. Once we’re clear on the goal, I’ll define the key user segments, then"

    Richa M. - "Before starting the answer I would align on goal, call out the structure where I cover what all am i going to talk about in the interview. Why laying out structure is important because the aprox time available to you is 35 min, so Structure shows the intent and the depth at which you are willing to go and think IMO This is how I would start- Sure before jumping in, I’ll first align on what this product is trying to achieve. Once we’re clear on the goal, I’ll define the key user segments, then"See full answer

    Product Manager
    Analytical
    +1 more
  • Adobe logoAsked at Adobe 
    Video answer for 'Edit distance'
    +32

    "from collections import deque def updateword(words, startword, end_word): if end_word not in words: return None # Early exit if end_word is not in the dictionary queue = deque([(start_word, 0)]) # (word, steps) visited = set([start_word]) # Keep track of visited words while queue: word, steps = queue.popleft() if word == end_word: return steps # Found the target word, return steps for i in range(len(word)): "

    叶 路. - "from collections import deque def updateword(words, startword, end_word): if end_word not in words: return None # Early exit if end_word is not in the dictionary queue = deque([(start_word, 0)]) # (word, steps) visited = set([start_word]) # Keep track of visited words while queue: word, steps = queue.popleft() if word == end_word: return steps # Found the target word, return steps for i in range(len(word)): "See full answer

    Software Engineer
    Data Structures & Algorithms
    +3 more
  • Google logoAsked at Google 
    +5

    "First, I'll ask some clarifying questions and redefine the scope for us, ok? So, Can we assume that we are working at a company that has discovered a way to travel through time and we have this patented state of the art technology? Sure! Ok, then I will think of this problem from the perspective of a business if that is ok? Yes Is the traveling process instant or lengthy? Assume instant. Can I assume there are no idea constraints and that since time travel is existing that ther"

    Tesvara J. - "First, I'll ask some clarifying questions and redefine the scope for us, ok? So, Can we assume that we are working at a company that has discovered a way to travel through time and we have this patented state of the art technology? Sure! Ok, then I will think of this problem from the perspective of a business if that is ok? Yes Is the traveling process instant or lengthy? Assume instant. Can I assume there are no idea constraints and that since time travel is existing that ther"See full answer

    Product Manager
    Product Design
  • "I said I would allow users to follow certain hashtags like #dogs #football pertaining to their interests to curate their feed instead of trying to find individual accounts for dogs and sports etc"

    Krishna D. - "I said I would allow users to follow certain hashtags like #dogs #football pertaining to their interests to curate their feed instead of trying to find individual accounts for dogs and sports etc"See full answer

    Product Manager
    Product Design
  • Amazon logoAsked at Amazon 
    +61

    "I most want to communicate a few principals of conflict resolution that I believe were integral in this situation, which are mutual respect, a results orientation, an unwavering focus on the user. To that end, here’s how I’d like to structure this answer: First, I’ll tell you about the project we were working on, to provide some background for you. Second, I’ll describe the disagreement. Third, I’ll describe how we arrived at a solution, and finally, I’ll discuss how those 3 conflict resolut"

    Ross B. - "I most want to communicate a few principals of conflict resolution that I believe were integral in this situation, which are mutual respect, a results orientation, an unwavering focus on the user. To that end, here’s how I’d like to structure this answer: First, I’ll tell you about the project we were working on, to provide some background for you. Second, I’ll describe the disagreement. Third, I’ll describe how we arrived at a solution, and finally, I’ll discuss how those 3 conflict resolut"See full answer

    Software Engineer
    Behavioral
    +7 more
  • Meta logoAsked at Meta 
    Video answer for 'How would you measure success for Facebook Events?'
    +64

    "First I'd start by asking a few questions/clarifying some assumptions: This is the existing Facebook Events product where users invite other Facebook users to an event (either IRL or virtual) at a certain time/date, and invitees can RSVP, or react/comment on the event? Is this question limited to a specific part of the FB product base (e.g. Facebook app vs. web experience) or are we discussing the FB Events product across all platforms? FB Events have been a key part of Facebook for quite"

    Chelsea F. - "First I'd start by asking a few questions/clarifying some assumptions: This is the existing Facebook Events product where users invite other Facebook users to an event (either IRL or virtual) at a certain time/date, and invitees can RSVP, or react/comment on the event? Is this question limited to a specific part of the FB product base (e.g. Facebook app vs. web experience) or are we discussing the FB Events product across all platforms? FB Events have been a key part of Facebook for quite"See full answer

    Product Manager
    Analytical
    +1 more
  • Google logoAsked at Google 
    +8

    "So here is what I would do if I had to designing a system to log messages in order involves several considerations, including the choice of software, hardware, storage mechanisms, and scalability. Here’s how I would approach this: 1. Requirements Analysis: Message Format: Define the structure of the messages to log (e.g., text, JSON). Volume: Estimate the expected volume of messages per second. This will help in determining the infrastructure requirements. **Order Guarantee"

    Theodore (teddy) W. - "So here is what I would do if I had to designing a system to log messages in order involves several considerations, including the choice of software, hardware, storage mechanisms, and scalability. Here’s how I would approach this: 1. Requirements Analysis: Message Format: Define the structure of the messages to log (e.g., text, JSON). Volume: Estimate the expected volume of messages per second. This will help in determining the infrastructure requirements. **Order Guarantee"See full answer

    Software Engineer
    System Design
  • Google logoAsked at Google 
    +30

    "Design a washing machine for Google Step 1: Building Context through clarifying questions Are we looking at building a complete washing machine(new line of business) or a connected app for washing machine like Android Auto? Any specific geography to look for Goal? Increase usage of any specific google product or introduce smart white goods hardware Step 2: Target users Individuals Single Family Couple Hotels Students Laundromats **Apartments/Studen"

    Anonymous Flamingo - "Design a washing machine for Google Step 1: Building Context through clarifying questions Are we looking at building a complete washing machine(new line of business) or a connected app for washing machine like Android Auto? Any specific geography to look for Goal? Increase usage of any specific google product or introduce smart white goods hardware Step 2: Target users Individuals Single Family Couple Hotels Students Laundromats **Apartments/Studen"See full answer

    Product Manager
    Product Design
  • +10

    "First, I’d want to clarify what’s driving the lack of adoption. I’d ask:What does “unclear roadmap” mean? Is this an internal issue where we’re not addressing customer pain points, or is it a matter of customers not understanding how to use the product? Is this feedback coming from all enterprise customers across verticals, or is it isolated to a specific group? How long has this been going on? Has it been over a quarter? Assuming this is a widespread issue impacting all customers"

    Noe L. - "First, I’d want to clarify what’s driving the lack of adoption. I’d ask:What does “unclear roadmap” mean? Is this an internal issue where we’re not addressing customer pain points, or is it a matter of customers not understanding how to use the product? Is this feedback coming from all enterprise customers across verticals, or is it isolated to a specific group? How long has this been going on? Has it been over a quarter? Assuming this is a widespread issue impacting all customers"See full answer

    Product Manager
    Execution
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