System Design Interview Questions

Review this list of 369 system design interview questions and answers verified by hiring managers and candidates.
  • Snowflake logoAsked at Snowflake 

    "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."

    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

    Software Engineer
    System Design
    +2 more
  • Meta (Facebook) logoAsked at Meta (Facebook) 
    Video answer for 'Design an API for searching a folder.'
    Software Engineer
    System Design
    +1 more
  • Video answer for 'Design Reddit.'

    "Graphic design is the process of visual communication and problem-solving through the use of typography, photography"

    Abdurhman M. - "Graphic design is the process of visual communication and problem-solving through the use of typography, photography"See full answer

    System Design
    Product Design
  • Meta (Facebook) logoAsked at Meta (Facebook) 
    Machine Learning Engineer
    System Design
  • Amazon logoAsked at Amazon 

    "(1) Goals/Value Proposition: Provide context on why the API migration is important and the value add / benefits of doing so to the customer. Need to generate excitement.... (2) Identify stakeholders from Customer and internally for this API Migration. (3) Kick off Meeting : Invite stakeholders, agree on Communication Plan, (4) Planning: Create migration plan, internal development testing resources, timelines, how will we support our customers, testing strategy, rollout plan, rollback plan "

    Adib M. - "(1) Goals/Value Proposition: Provide context on why the API migration is important and the value add / benefits of doing so to the customer. Need to generate excitement.... (2) Identify stakeholders from Customer and internally for this API Migration. (3) Kick off Meeting : Invite stakeholders, agree on Communication Plan, (4) Planning: Create migration plan, internal development testing resources, timelines, how will we support our customers, testing strategy, rollout plan, rollback plan "See full answer

    Technical Program Manager
    System Design
    +2 more
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  • "Before we head into this - let's redefine this question to identify some objectives and key results: re-Design FB security privacy intimacy a few questions I want to clarify are: Is this for desktop, mobi web, or apps? Apps Is this for US only? Yes May I assume some resources available for me? Such as Designers, Data Scientists, Developers? Sure ----- Okay let me think about this for a min ---- I'd like to start off by: Thinking about th"

    Amy M. - "Before we head into this - let's redefine this question to identify some objectives and key results: re-Design FB security privacy intimacy a few questions I want to clarify are: Is this for desktop, mobi web, or apps? Apps Is this for US only? Yes May I assume some resources available for me? Such as Designers, Data Scientists, Developers? Sure ----- Okay let me think about this for a min ---- I'd like to start off by: Thinking about th"See full answer

    System Design
    Product Design
  • TikTok logoAsked at TikTok 

    "This system design question is very small compared to other questions like design instagram, twitter, google drive etc... Since the design involves less components the level of detail we have to go in them were deep. I had to explain how to deal with all the NFR for the distributed cache system. Whether it is a push model or a pull model. Hade to do BOE calculations for the database too."

    Jagan M. - "This system design question is very small compared to other questions like design instagram, twitter, google drive etc... Since the design involves less components the level of detail we have to go in them were deep. I had to explain how to deal with all the NFR for the distributed cache system. Whether it is a push model or a pull model. Hade to do BOE calculations for the database too."See full answer

    Software Engineer
    System Design
    +1 more
  • "(This was not search autocomplete based on prefix matching question.) First of all, please note :- The interviewer is not expecting you to get to the right answer in just 1 hr. These systems have been designed over months and improved over years and its impractical for anyone to expect you to get to the right answer in 1 hr. (There is no one single right answer). At the end, the interviewer (director level person) told me the same. What they are looking for is your thought process, getting from"

    shg - "(This was not search autocomplete based on prefix matching question.) First of all, please note :- The interviewer is not expecting you to get to the right answer in just 1 hr. These systems have been designed over months and improved over years and its impractical for anyone to expect you to get to the right answer in 1 hr. (There is no one single right answer). At the end, the interviewer (director level person) told me the same. What they are looking for is your thought process, getting from"See full answer

    Engineering Manager
    System Design
  • Yelp logoAsked at Yelp 
    System Design
    Product Design
  • "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"

    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

    Machine Learning Engineer
    System Design
    +1 more
  • Site Reliability Engineer
    System Design
  • Google logoAsked at Google 

    "Clarifying Questions First, let me try to clarify what kind of self-driving car are we talking about here. Let' say, we have the following top-level assumptions: Fully autonomous Family Sedan Car US Market This technology is only available with Google In a real face-to-face interview would pause to ask the interviewer to correct assumptions or ask for other features. Consumer Family - uses the autonomous ability of the car to spend time with kids while dropping them off to"

    Vidur K. - "Clarifying Questions First, let me try to clarify what kind of self-driving car are we talking about here. Let' say, we have the following top-level assumptions: Fully autonomous Family Sedan Car US Market This technology is only available with Google In a real face-to-face interview would pause to ask the interviewer to correct assumptions or ask for other features. Consumer Family - uses the autonomous ability of the car to spend time with kids while dropping them off to"See full answer

    System Design
    Product Strategy
  • "Get data from database CDC to Kafka; Write from Kafka to a Bucket; Send the batch file to Visa from time to time;"

    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

    Software Engineer
    System Design
  • +2

    "What has been the most complex System Design question you were asked?"

    Mitchell K. - "What has been the most complex System Design question you were asked?"See full answer

    System Design
  • Atlassian logoAsked at Atlassian 

    "asdsad"

    Develop games G. - "asdsad"See full answer

    Engineering Manager
    System Design
    +2 more
  • Walmart Labs logoAsked at Walmart Labs 

    " import java.util.*; enum RideType { SHARED, PRIVATE, EXECUTIVE } enum VehicleType { SEDAN, SUV, HATCHBACK, LUXURY, VAN, ELECTRIC, AUTO_RICKSHAW, BIKE_TAXI } final class Location { private final double logitude; private final double latitude; private final String location; public Location(double logitude, double latitude, String location){ this.logitude = logitude; this.latitude = latitude; this.l"

    Yash G. - " import java.util.*; enum RideType { SHARED, PRIVATE, EXECUTIVE } enum VehicleType { SEDAN, SUV, HATCHBACK, LUXURY, VAN, ELECTRIC, AUTO_RICKSHAW, BIKE_TAXI } final class Location { private final double logitude; private final double latitude; private final String location; public Location(double logitude, double latitude, String location){ this.logitude = logitude; this.latitude = latitude; this.l"See full answer

    Backend Engineer
    System Design
  • System Design
    Product Design
  • Software Engineer
    System Design
  • LinkedIn logoAsked at LinkedIn 

    "Clarify the ask/ goal and scope Talk about the general need for travel in a Covid/post covid world + how it aligns with Meta's mission and business (the Why) Audience /Behavior segmentation with needs/pain points Prioritize Suggested 3 Solution territories Dived deep into 1 and mentioned tradeoffs/ risks for that one Summarized with a few GTM considerations/ideas Please note: Although the interview was scoped for 30 mins, the interviewer spent the first 15 diving into past work e"

    Raina M. - "Clarify the ask/ goal and scope Talk about the general need for travel in a Covid/post covid world + how it aligns with Meta's mission and business (the Why) Audience /Behavior segmentation with needs/pain points Prioritize Suggested 3 Solution territories Dived deep into 1 and mentioned tradeoffs/ risks for that one Summarized with a few GTM considerations/ideas Please note: Although the interview was scoped for 30 mins, the interviewer spent the first 15 diving into past work e"See full answer

    Product Manager
    System Design
    +1 more
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