Backend Software Engineer Interview Questions

2,346 backend software engineer interview questions shared by candidates

They wanted me to describe how to implement an application like TikTok for example. Thay wanted the user of the application to be able to scroll down the videos, comment, interact, and for each video there should be products showed at a side bar related to the content of the video. The point of the application is to simplify finding the products showed in the video to buy. They wanted to see how would you implement the classes of your program, and then describe with words how would you handle the algorithm that decide which video will suggest to the customer depending on their preferences regarding larg dataset and many users using the app.
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Software Engineer, Backend

Interviewed at noon

3.7
Jan 23, 2025

They wanted me to describe how to implement an application like TikTok for example. Thay wanted the user of the application to be able to scroll down the videos, comment, interact, and for each video there should be products showed at a side bar related to the content of the video. The point of the application is to simplify finding the products showed in the video to buy. They wanted to see how would you implement the classes of your program, and then describe with words how would you handle the algorithm that decide which video will suggest to the customer depending on their preferences regarding larg dataset and many users using the app.

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