Senior Frontend Developer Interview Questions

1,625 senior frontend developer interview questions shared by candidates

Round 2 Practical Round - Create a Box Shadow Generator Tool A small tool needs to be created to generate CSS Box Shadows dynamically in React. (https://docs.google.com/document/d/1fj_DiZNOTpP6hOGntylWuhFGTitbWerSjd0QF18wb8k/edit?usp=sharing)

Senior Frontend Developer

Interviewed at Testsigma

3.2
Apr 26, 2025

Round 2 Practical Round - Create a Box Shadow Generator Tool A small tool needs to be created to generate CSS Box Shadows dynamically in React. (https://docs.google.com/document/d/1fj_DiZNOTpP6hOGntylWuhFGTitbWerSjd0QF18wb8k/edit?usp=sharing)

Q: Remove duplicates from an array of objects Q: Typescript, React questions — virtual Dom, diffing, reconciliation, hoisting, never/any in Typescript, ReactDOM, refs, difference between Angular, React and Vue, few Leetcode easy to mediums, etc
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Senior Software Engineer - Frontend

Interviewed at Nium

3.3
Feb 9, 2023

Q: Remove duplicates from an array of objects Q: Typescript, React questions — virtual Dom, diffing, reconciliation, hoisting, never/any in Typescript, ReactDOM, refs, difference between Angular, React and Vue, few Leetcode easy to mediums, etc

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