Senior Full Stack Engineer Interview Questions

829 senior full stack engineer interview questions shared by candidates

(Same as another reviewer described) The technical challenge was a variation of leetcode merge interval. The FIRST part is easy. After that they gave a more complex variation of the problem, with arrays nested 3 levels deep.
May 7, 2025

(Same as another reviewer described) The technical challenge was a variation of leetcode merge interval. The FIRST part is easy. After that they gave a more complex variation of the problem, with arrays nested 3 levels deep.

- Can you explain the design pattern you are using to refactor this code? - Can you walk us through the steps you are taking to optimize the performance of this code? - How do you ensure that the refactored code is maintainable and scalable? - How do you test your refactored code to ensure it is functioning correctly? - How do you handle backward compatibility concerns when refactoring code?
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Senior Full Stack Engineer

Interviewed at GetYourGuide

3.1
Jan 17, 2023

- Can you explain the design pattern you are using to refactor this code? - Can you walk us through the steps you are taking to optimize the performance of this code? - How do you ensure that the refactored code is maintainable and scalable? - How do you test your refactored code to ensure it is functioning correctly? - How do you handle backward compatibility concerns when refactoring code?

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