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Ernst & Young React Developer Interview Questions, Process, and Tips
1 Ernst & Young React Developer Interview Experience
19 questions found
CodingNinjas
I was interviewed in Sep 2021.
3 Interview Rounds
Video Call Round (7 Questions)
Round duration - 60 Minutes
Round difficulty - Medium
This was a preety intense round revolving mainly around the core concepts of JavaScript . I was confident about my
skills in JavaScript as I already had some projects in JS and I also completed the Guided Path of JS in CodeStudio
which boosted my preparation and helped me crack these Frontend Interviews.
- Q1. Javascript Question
What are callbacks?
View Answers (1)
- Q2. Javascript Question
Explain Hoisting in javascript.
View Answers (1) - Q3. Javascript Question
What are closures?
View Answers (1) - Q4. Javascript Question
What is the difference between slice and splice?
View Answers (1) - Q5. Javascript Question
What is a first class function?
View Answers (1) - Q6. Javascript Question
Sort an array of integers in JS.
View Answers (1) - Q7. Covid Vaccination We are suffering from the Second wave of Covid-19. The Government is trying to increase its vaccination drives. Ninja wants to help the Govern...read more View Answers (3)
Video Call Round (10 Questions)
Round duration - 60 Minutes
Round difficulty - Medium
In this round, I was asked questions from React and Redux. Since I already had prior experience in working with React
and Redux , I answered most of the questions correctly and was preety much confident about passing this round.
- Q1. ReactJS Question
What are the differences between a class component and functional component?
View Answers (1) - Q2. ReactJS Question
What are stateless and stateful components?
View Answers (1) - Q3. ReactJS Question
What is diffing algorithm?
View Answers (1) - Q4. ReactJS Question
What is reconciliation?
View Answers (1) - Q5. ReactJS Question
What are props in React?
View Answers (1) - Q6. Redux Question
What are the advantages of using Redux?
View Answers (1) - Q7. Redux Question
Highlight the key differences between mapStateToProps() and mapDispatchToProps()?
View Answers (1) - Q8. Redux Question
What is Combine Reducer?
View Answers (1) - Q9. Redux Question
How Relay is different from Redux?
View Answers (1) - Q10. Redux Question
How can we structure the top level directories in Redux?
View Answers (1)
HR Round (2 Questions)
Round duration - 30 Minutes
Round difficulty - Easy
This was a Technical Cum HR round where I was first asked some basic principles around Frontend Web Development
and then we discussed about my expectations from the company , learnings and growth in the forthcomig years. I would
suggest be honest and try to communicate your thoughts properly in these type of rounds to maximise your chances of
getting selected.
- Q1. Basic HR Question
Do you know anything about the company ?
View Answers (1) - Q2. Basic HR Question
Why should we hire you?
View Answers (1)
Interview Preparation Tips
Tip 1 : Do at-least 2 good projects and you must know every bit of them.
Tip 2 : Understand the fundamentals of JavaScript as they are asked very often.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
Skills evaluated in this interview
React Developer Jobs at Ernst & Young
Interview questions from similar companies
Anonymous
2 Interview Rounds
One-on-one Round (2 Questions)
- Q1. JavaScript Related Questions Add Answer
- Q2. ReactJs Related Questions Add Answer
One-on-one Round (2 Questions)
- Q1. Reactjs Use Effects and UseRef Add Answer
- Q2. JavaScript Closures,Map,CallBack Add Answer
Interview Preparation Tips
I applied via campus placement at National Institute of Technology (NIT), Patna and was interviewed in Aug 2024.
1 Interview Round
Technical Round (4 Questions)
- Q1. MULTIPLE QUESTIONS OF OOPS Add Answer
- Q2. Program of prime number View Answers (1)
- Q3. Pseudo code of finding ones in a number View Answers (1)
- Q4. Basic questions of sql and mongodb Add Answer
Interview Preparation Tips
Skills evaluated in this interview
veda verma
Selected
I applied via Referral and was interviewed in Sep 2024.
2 Interview Rounds
Technical Round (2 Questions)
- Q1. Merge sort time complexity less View Answers (1)
- Q2. Palindrome with react js to show on UI View Answers (1)
Coding Test Round
Javascript question on promise, callbacks, hosting
I applied via Approached by Company and was interviewed in Nov 2024.
2 Interview Rounds
Assignment Round
React JS Basic and JS Deep Dive
Technical Round (1 Question)
- Q1. React JS and JS Questions Add Answer
1 Interview Round
Aptitude Test Round
Just asked to expand on past experiences and what technologies i had experience with.
I applied via Company Website and was interviewed in Jul 2024.
2 Interview Rounds
Aptitude Test Round
What is an aptitude test?
An aptitude test is a standardized test designed to assess a person's ability, skill, or knowledge in a specific area. (aptitude tests):-
1. Verbal Ability: Tests reading comprehension, grammar, and vocabulary skills.
2. Quantitative Ability: Tests mathematical skills, problem-solving, and data analysis.
3. Logical Reasoning: Tests ability to reason, think critically, and solve problems.
4. Technical Skills: Tests knowledge of specific technical skills, such as programming or coding.
Case Study Round
Case study:-
I. Introduction:
- Brief overview of the company/organization
- Background information on the industry/market
- Purpose of the case study
II. Problem Statement:-
- Description of the problem or challenge faced by the company
- Key issues and constraints
III. Analysis:-
- SWOT analysis (Strengths, Weaknesses, Opportunities, Threats)
- Market analysis (competitor, customer, market trends)
- Financial analysis (revenue, costs, profitability)
IV. Alternatives and Options:-
- Potential solutions or strategies
- Evaluation of pros and cons
V. Recommendations:-
- Proposed solution or course of action
- Justification and rationale
VI. Implementation:-
- Action plan and timeline
- Resources and budget required
VII. Conclusion:
- Summary of key findings
- Lessons learned and takeaways.
Interview Preparation Tips
1. Define your goals: Clearly identify the type of job you're looking for and your long-term career aspirations.
2. Update your resume and online profiles: Ensure your resume, LinkedIn profile, and other social media profiles are current and showcase your skills and experience.
3. Networking: Attend industry events, join professional organizations, and connect with people in your field.
4. Practice interviewing: Prepare answers to common interview questions and practice your responses with a friend or mentor.
5. Expand your skills: Continuously update your skills and knowledge to stay competitive in the job market.
6. Stay positive and persistent: Job hunting can be challenging, so it's essential to stay positive and keep applying.
7. Tailor your application: Customize your resume and cover letter for each job application.
8. Follow up: After applying, follow up with the employer to express your interest and inquire about the status of your application.
9. Be open-minded: Consider different types of jobs and industries to find the best fit for your skills and interests.
10. Seek support: Reach out to career counselors, mentors, or job support groups for guidance and encouragement.
I applied via campus placement at Vellore Institute of Technology (VIT) and was interviewed in Aug 2024.
2 Interview Rounds
Aptitude Test Round
Aptitude test with different sections. Each section had its own time limit. Level - Moderate to difficult
Technical Round (4 Questions)
- Q1. Introduce yourself View Answers (1)
- Q2. Resume projects Add Answer
- Q3. 2 DSA questions Add Answer
- Q4. One SQL Query question Add Answer
Satvik Sharma
2 Interview Rounds
Coding Test Round
Asked very good questions
Technical Round (1 Question)
- Q1. Asked deep concept of react and js. Add Answer
1 Interview Round
Technical Round (1 Question)
- Q1. Fir arrow function This keyword Promises Promise chain Generator function Rest operator Spread operator React hooks Higher order component Redux life cycle Pali...read more Add Answer
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