System Design Interview Questions

Review this list of 501 System Design interview questions and answers verified by hiring managers and candidates.

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Imagine there's a remote part of Earth where Google Maps doesn't exist. How would you go about designing Google Maps for that area?
10 months ago
Design a Recommended Feed Engine.
a month ago
How would you handle an API migration where customers need to do some development work?
4 years ago3 answers
How would you build a "restaurants you may like" feature?
2 years ago
How would you improve Yelp's search functionality?
5 years ago1 answer
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Design a sentence autocomplete suggestion system. Example: Input - 'I hope you feel', Output - 'better soon'. This system is used in applications like Gmail, Google Docs, and Hangouts.
4 years ago1 answer
Design a currency exchange system.
4 years ago1 answer
How would you scale the design of a messaging system that only involves emojis for users in Europe and US? How would you identify the origin of traffic?
a year ago1 answer
Design a radar tower model for a moving ship.
10 months ago
How would you price a self-driving car?
2 months ago2 answers
Design a smart electric meter software system for an apartment building featuring separate dashboards for tenants and the owner, showing electricity usage by specific units and floors.
6 years ago
Design an alarm system for streaming metrics.
10 months ago
Design an ML monitoring system for a fantasy sports app, focusing on drift, performance, outliers, and quality.
3 years ago1 answer
Design a web scraping engine.
2 years ago
Design YouTube advertising.
3 years ago
Describe what happens when you visit https://google.com in your web browser.
3 years ago3 answers
Design a support agent that is able to help customers with their problems and refund them if they are not satisfied with the solution.
6 months ago
As a product manager for Meta, design a product for volunteers.
a month ago2 answers
Design an event booking system.
9 months ago
Design an auction feature on Instagram
a year ago

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System Design Interview Questions

Imagine there's a remote part of Earth where Google Maps doesn't exist. How would you go about designing Google Maps for that area?

Design a Recommended Feed Engine.

How would you handle an API migration where customers need to do some development work?

How would you build a "restaurants you may like" feature?

How would you improve Yelp's search functionality?

Design a sentence autocomplete suggestion system. Example: Input - 'I hope you feel', Output - 'better soon'. This system is used in applications like Gmail, Google Docs, and Hangouts.

Design a currency exchange system.

How would you scale the design of a messaging system that only involves emojis for users in Europe and US? How would you identify the origin of traffic?

Design a radar tower model for a moving ship.

How would you price a self-driving car?

Design a smart electric meter software system for an apartment building featuring separate dashboards for tenants and the owner, showing electricity usage by specific units and floors.

Design an alarm system for streaming metrics.

Design an ML monitoring system for a fantasy sports app, focusing on drift, performance, outliers, and quality.

Design a web scraping engine.

Design YouTube advertising.

Describe what happens when you visit https://google.com in your web browser.

Design a support agent that is able to help customers with their problems and refund them if they are not satisfied with the solution.

As a product manager for Meta, design a product for volunteers.

Design an event booking system.

Design an auction feature on Instagram

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