FrontEnd Developer Interview in Cognizant(2–4 yrs)
Working at an MNC is a beautiful experience since you get to learn a lot, improve your skills, learn to work in teams, and progress in your career. Many MNCs provide fun activities at campus, have many excellent facilities employees can make use of like gyms, gaming areas, etc.
If you wish to work in an MNC, this is a great time to upskill yourself and become ready for a cool future career.
The resume is the first point of contact between a candidate and an employer. Once your CV is shortlisted, you will get a call from HR for the first round. The first round will be a technical one around 50–60mins (video call). The employer will ask for the very basics of react JS, Redux, and Javascript.
Some of the interview questions are:-
React Js and Redux 1. What are Higher Order Components.
2. Why redux is needed.
3. What is pure component
4. How store is connected to react routes
5. What are react Hooks.
6. Explain any other hooks except UseState and UseEffect.
7. Context api
8. Why functional components are better than class based components
9. What is props drilling.Javascript1. How objects can be copied. (Shallow copy and Deep copy)
2. What is closure.
3. What is lexical scoping.
4. What is prototype inheritanceExtra Questions1. Do u know server side rendering
2. What is PWA
3. Any idea about Node Js
4. Any idea on unit test cases
Technical frontEnd interviews are Lil difficult. That’s a fact. So, you need to have a solid knowledge of frontEnd technologies i.e. web performance, Code efficiency, etc. Start preparing and you are good to go.
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