Frontend Software Engineer Interview Questions

8,927 frontend software engineer interview questions shared by candidates

Write recursive function that as an argument gets n and calculates what is corresponding number in n place in Fibonacci sequence For example f(8) = 21 (Fibonacci sequence for example: 0,1,1,2,3,5,8,13,21,34,55….) a. Discuss performance of the function with large n number. What are pitfalls? How function can be optimized. b. Bonus: write function complexity of space and time.
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Senior Frontend Developer/AngularJs

Interviewed at NeoGames

4.2
May 31, 2015

Write recursive function that as an argument gets n and calculates what is corresponding number in n place in Fibonacci sequence For example f(8) = 21 (Fibonacci sequence for example: 0,1,1,2,3,5,8,13,21,34,55….) a. Discuss performance of the function with large n number. What are pitfalls? How function can be optimized. b. Bonus: write function complexity of space and time.

Besides the typical background questions, mostly whiteboarding. They asked an algorithmic question, tracking variables/objects, optimizing data flow between systems/databases, DOM elements creation/updating, and data structures.
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Frontend Software Engineer

Interviewed at Trifacta

4.3
Aug 25, 2015

Besides the typical background questions, mostly whiteboarding. They asked an algorithmic question, tracking variables/objects, optimizing data flow between systems/databases, DOM elements creation/updating, and data structures.

Firstly he did not ask me to introduce myself and directly jumped into the questions (which is a bit turn off in the first itself) He asked questions about storage, different type of architectures (monolithic), currying in js...etc...
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Frontend Developer

Interviewed at BuyHatke

4.6
Oct 15, 2024

Firstly he did not ask me to introduce myself and directly jumped into the questions (which is a bit turn off in the first itself) He asked questions about storage, different type of architectures (monolithic), currying in js...etc...

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