System Design Interview Questions

Review this list of 416 System Design interview questions and answers verified by hiring managers and candidates.

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Asked at Google • 5 years ago
How does an Android app work?
System Design
Technical
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System Design
Technical
How do you ensure a deployed model remains up to date?
System Design
Machine Learning
1 answer
"We should define automated Scheduled Updates for deployment to keep the application up to date."
Rahul M. - "We should define automated Scheduled Updates for deployment to keep the application up to date."See full answer
System Design
Machine Learning
Asked at Amazon • 4 years ago
Design the front page of a newspaper app.
Software Engineer
System Design
+1 more
1 answer
"Front Page Layout Design for Newspaper App Header Section Logo: Displays at the top left. App Name: Displays alongside, so very prominent. Search Bar: Centered with search to find articles within the application. Navigation Menu: The links to the respective sections, World, Politics, Sports, Entertainment, and Opinion, etc Main Content Area Top Stories Carousel: It is a rotating banner that displays the top 3-5 news stories with images along with their headlines. Each story should be cl"
Midde V. - "Front Page Layout Design for Newspaper App Header Section Logo: Displays at the top left. App Name: Displays alongside, so very prominent. Search Bar: Centered with search to find articles within the application. Navigation Menu: The links to the respective sections, World, Politics, Sports, Entertainment, and Opinion, etc Main Content Area Top Stories Carousel: It is a rotating banner that displays the top 3-5 news stories with images along with their headlines. Each story should be cl"See full answer
Software Engineer
System Design
+1 more
Asked at Meta • 5 years ago
Design a product for digital well-being.
System Design
Product Design
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System Design
Product Design
Asked at Google • 4 years ago
Design an app like Uber for Google's driverless cars targeted at children under 16 years old.
Product Manager
System Design
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Product Manager
System Design
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Design blurring for Google Street View.
System Design
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System Design
Recommend restaurants on Google Maps.
System Design
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System Design
Design a technical system that replaces faulty parts in a data center.
Technical Program Manager
System Design
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Technical Program Manager
System Design
Asked at Meta • 7 months ago
Assume you are building an e-commerce site like Amazon. What security threats do you see, and how would you handle them?
Engineering Manager
System Design
+1 more
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Engineering Manager
System Design
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Design a feature to recommend trending topics on the News app.
System Design
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System Design
Define the flow from order booking to delivery, including installation, for a customized drinking water purifier.
Product Manager
System Design
1 answer
"Figured out the blockers Defined objective and goals to acheive Checked other app who have same flow What is the intention that company with which company wants to drive user as they mentioned it has to be order creation, order placement, successful payment, choose delivery and installation. Figured out the flow that user would want to have after each step. Aligned 4&5 and designed wireframes with the help of diagram.io tool which is purely free to use."
Shraddha P. - "Figured out the blockers Defined objective and goals to acheive Checked other app who have same flow What is the intention that company with which company wants to drive user as they mentioned it has to be order creation, order placement, successful payment, choose delivery and installation. Figured out the flow that user would want to have after each step. Aligned 4&5 and designed wireframes with the help of diagram.io tool which is purely free to use."See full answer
Product Manager
System Design
Asked at Meta • 4 years ago
Design an investment app.
Product Manager
System Design
+1 more
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Product Manager
System Design
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Asked at Meta • 5 years ago
What metrics would you consider for designing a robot at Facebook?
Product Manager
System Design
+2 more
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Product Manager
System Design
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Asked at Asana • 5 years ago
How would you improve the design of Amazon's wishlist feature?
System Design
Product Design
1 answer
"Clarify: Can I assume I’m a PM at Amazon for the wishlist feature? What is the wishlist feature?You can create a wishlist for yourself of items you want to buy later You can create a wishlist for other people you are shopping for (ex. Christmas, birthdays, etc) You can share this wishlist with others How are we defining “improvement”? (I’m assuming I’m responsible for coming up with the definition) Why do we want to improve the wishlist feature in particular? (Again, I’m responsible"
Kay T. - "Clarify: Can I assume I’m a PM at Amazon for the wishlist feature? What is the wishlist feature?You can create a wishlist for yourself of items you want to buy later You can create a wishlist for other people you are shopping for (ex. Christmas, birthdays, etc) You can share this wishlist with others How are we defining “improvement”? (I’m assuming I’m responsible for coming up with the definition) Why do we want to improve the wishlist feature in particular? (Again, I’m responsible"See full answer
System Design
Product Design
Asked at Nike • 5 years ago
Design a new feature for the Nike App.
System Design
Product Design
1 answer
"Assumptions: timeline will be open, both platforms, target is globally. and specifically working with Nike App for shopping Company goal: Goal of Nike is to "Just Do It" as well as anybody can be an athlete, *Goal is open, so the purpose of the app is to allow users to see new items at hand and shop Nike process, Target Segment: 1. Frequent Users 2 First Time users. a. First time users downloading app. 2b. User who have already purchased an order and use the app to see shopping history. User J"
Anonymous Giraffe - "Assumptions: timeline will be open, both platforms, target is globally. and specifically working with Nike App for shopping Company goal: Goal of Nike is to "Just Do It" as well as anybody can be an athlete, *Goal is open, so the purpose of the app is to allow users to see new items at hand and shop Nike process, Target Segment: 1. Frequent Users 2 First Time users. a. First time users downloading app. 2b. User who have already purchased an order and use the app to see shopping history. User J"See full answer
System Design
Product Design
Design an automatic recycling bin.
System Design
Add answer
System Design
Asked at Google • 5 years ago
Design a smart robotic vacuum.
System Design
Product Design
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System Design
Product Design
Asked at Google • 4 years ago
Design a studio apartment for 3 people.
Product Manager
System Design
+1 more
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Product Manager
System Design
+1 more
Predict user behavior after product updates.
System Design
1 answer
"Predicting user behavior generally is hard, unless you incorporate in all your product changes some kind of psychology based trigger or make behavior science-driven changes. For example creating scarcity like Booking.com who tell you that the rooms are about to be booked by someone else, or that others are looking at the property or booking actively today. Otherwise you'd have to rely on A/B testing and feature flags to release and measure the impact of product updates. A/B testing is a statis"
Georgi S. - "Predicting user behavior generally is hard, unless you incorporate in all your product changes some kind of psychology based trigger or make behavior science-driven changes. For example creating scarcity like Booking.com who tell you that the rooms are about to be booked by someone else, or that others are looking at the property or booking actively today. Otherwise you'd have to rely on A/B testing and feature flags to release and measure the impact of product updates. A/B testing is a statis"See full answer
System Design
Asked at Workday • 5 years ago
How would you design a Pseudo Random Number Generator (PRNG)?
System Design
1 answer
"Designing a Pseudo Random Number Generator (PRNG) involves creating an algorithm that generates a sequence of numbers that appear random while being deterministic, meaning that the same sequence can be reproduced given the same initial conditions. Here's a basic outline of how you could design a PRNG: Define the seed: The PRNG algorithm requires a seed value to initialize the generator. The seed can be any value, such as a number provided by the user or obtained from system data like the curr"
Takashi M. - "Designing a Pseudo Random Number Generator (PRNG) involves creating an algorithm that generates a sequence of numbers that appear random while being deterministic, meaning that the same sequence can be reproduced given the same initial conditions. Here's a basic outline of how you could design a PRNG: Define the seed: The PRNG algorithm requires a seed value to initialize the generator. The seed can be any value, such as a number provided by the user or obtained from system data like the curr"See full answer
System Design