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Senior Frontend Engineer Interview Questions
1,549 senior frontend engineer interview questions shared by candidates
Q: Design a webpage where you will show lot of documents as list?
Creat single page application with open API, implement styles base on the mock up they provideded.
Can you describe a challenging project you worked on and how you approached solving the most critical issue within it?
Implement a new array class that has get, set and setAll, all in O(1). setAll overrides all previously set values, but if set is called afterwards, get should return the value set there and not in setAll
What are some ways to improve the performance of a React app?
Some vanillajs javascript coding, a data visualisation react exercise, and a dictionary algorithms exercise.
Talk about how I went above and beyond to help a customer
Have you ever experienced another frontend technology except React?
Round 1 - Coding - 1 hour - Asked to make a generic undo/redo state management system. I solved the problem using callbacks and completed the solution. At the end, we discussed a better approach would have been using custom hooks. I appreciated the feedback, and we had a good conversation. The interviewer had clear thoughts and great communication skills. Result - Moved to the next round.
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