Senior Frontend Developer Interview Questions

1,608 senior frontend developer interview questions shared by candidates

Frontend and algorithms are exactly the same as were described here before. FE: addCommas fn and logger with prod mode ALG: merge two arrays with conditions (maybe something else, but I failed this one. The problem is really easy one (like easy level leetcode problem) just be careful with edge cases
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Senior Frontend Developer

Interviewed at HubSpot

3.4
Nov 23, 2023

Frontend and algorithms are exactly the same as were described here before. FE: addCommas fn and logger with prod mode ALG: merge two arrays with conditions (maybe something else, but I failed this one. The problem is really easy one (like easy level leetcode problem) just be careful with edge cases

1. React Lifecycle methods 2. Class vs Functional components 3. Is it possible to use life cycle methods in Functional components? 4. What is Higher order components? 5. How do you pass the data between multiple child components? 6. What are the steps to save and update the data in Redux store? 7. React hooks 8. Destructure concept from ES-6 9. Arrow function vs regular functions 10. Closure concept in JavaScript 11. Async/await, Promises 12. Virtual DOM 13. What is box model in CSS 14. HTML5 Semantic elements 15. Session storage vs Local storage 16. JavaScript Array and String Methods
avatar

Senior Frontend Developer

Interviewed at Capgemini

4.1
Feb 10, 2021

1. React Lifecycle methods 2. Class vs Functional components 3. Is it possible to use life cycle methods in Functional components? 4. What is Higher order components? 5. How do you pass the data between multiple child components? 6. What are the steps to save and update the data in Redux store? 7. React hooks 8. Destructure concept from ES-6 9. Arrow function vs regular functions 10. Closure concept in JavaScript 11. Async/await, Promises 12. Virtual DOM 13. What is box model in CSS 14. HTML5 Semantic elements 15. Session storage vs Local storage 16. JavaScript Array and String Methods

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