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PayU Payments React Js Frontend Developer Interview Questions and Answers
PayU Payments React Js Frontend Developer Interview Experiences
1 interview found
Anonymous
I applied via Approached by Company and was interviewed in Oct 2024. There was 1 interview round.
(1 Question)
- Q1. Basic questions like what is useEffect hook used for and other basic javascript and react questions
Interview questions from similar companies
Selected
I applied via Campus Placement and was interviewed in Nov 2023. There were 4 interview rounds.
Mcqs based on cs fundamentals and 2_3 coding questions
(2 Questions)
- Q1. 2-3 DSA questions to be written on paper in the interview itself
- Q2. Merge 2 sorted Linked list into 1
- Ans.
Merge two sorted linked lists into one.
Create a new linked list to store the merged list.
Compare the values of the nodes from both lists and add the smaller value to the new list.
Move the pointer of the list with the smaller value to the next node.
Repeat the comparison and addition until one of the lists is empty.
Add the remaining nodes from the non-empty list to the new list.
Return the new merged list.
(1 Question)
- Q1. A full cv analysis interview round discussion on all the projects and team work experience
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via Naukri.com and was interviewed before May 2023. There was 1 interview round.
It was good. Mostly questions on spark
Selected
I applied via LinkedIn
(2 Questions)
- Q1. Java Based question answers
- Q2. Array traversal problem
- Ans.
Traverse an array of strings
Use a loop to iterate through each element in the array
Access each element using its index
Perform any necessary operations on each element
Skills evaluated in this interview
What people are saying about PayU Payments
Selected
I applied via Campus Placement and was interviewed in Nov 2024. There were 3 interview rounds.
Logical reasoning, grammar, and coding: two basic level questions.
(3 Questions)
- Q1. Question on core Java
- Q2. Question on SQL and PLSQL
- Q3. Resume based question and on project
(2 Questions)
- Q1. Resume and project based question
- Q2. What do you like about your current company, and why do you want to join our organization?
- Ans.
I appreciate the collaborative team environment and innovative projects at my current company, and I am excited about the opportunities for growth and learning at your organization.
Collaborative team environment fosters creativity and productivity
Innovative projects challenge me to learn and grow
Excited about the opportunities for growth and learning at your organization
Selected
I applied via LinkedIn and was interviewed in Jun 2024. There were 2 interview rounds.
Data Structures Algorithms
Data Structures and Algorithm
Interview Preparation Tips
I applied via Approached by Company and was interviewed in Sep 2022. There were 2 interview rounds.
Find number of group of 1s in a 2D array of Os and 1s, Second question is to design a data structure which can perform crud operation.
Design a Ride sharing app, lld question, in java
Interview Preparation Tips
I appeared for an interview in May 2022.
(2 Questions)
Round duration - 90 Minutes
Round difficulty - Medium
DS/Algo Questions
2 questions
- Q1.
Hurdle Game Problem Statement
Kevin is playing a hurdle game where he must jump over hurdles to clear levels. Each level ‘i’ consists of ‘i’ hurdles (e.g., Level 6 has 6 hurdles).
Given the total number ...
- Ans.
The task is to determine the number of levels cleared by Kevin based on the total number of hurdles he has jumped.
Each level 'i' has 'i' hurdles, so Kevin can only reach level 'i' if he has cleared level 'i-1'.
Count the number of levels cleared by dividing the total number of hurdles by the sum of the first 'n' natural numbers.
The formula to calculate the sum of the first 'n' natural numbers is (n * (n + 1)) / 2.
- Q2.
Last Stone Weight Problem Explanation
Given a collection of stones, each having a positive integer weight, perform the following operation: On each turn, select the two heaviest stones and smash them toge...
- Ans.
This question is about finding the weight of the last stone after repeatedly smashing the two heaviest stones together.
Sort the array of stone weights in descending order.
Repeatedly smash the two heaviest stones together until there is at most 1 stone left.
If there is 1 stone left, return its weight. Otherwise, return 0.
(1 Question)
Round duration - 60 Minutes
Round difficulty - Medium
Live coding
- Q1.
Rearrange Odd and Even Position Nodes in Linked List
Rearrange a linked list such that all nodes at odd positions are together, followed by all nodes at even positions. You need to return the head of the ...
- Ans.
The task is to rearrange a linked list such that all odd position nodes are together and all even position nodes are together.
Create two separate linked lists, one for odd position nodes and one for even position nodes.
Traverse the original linked list and add the nodes to their respective lists based on their position.
Join the two lists together by pointing the last node of the odd list to the head of the even list.
Re...
(1 Question)
Round duration - 60 Minutes
Round difficulty - Easy
- Q1. How would you design a system like Zomato?
- Ans.
Design Zomato - a food delivery platform
Zomato is a platform that connects users with restaurants for food delivery
Users can search for restaurants, view menus, and place orders
Restaurants can register, manage their menus, and receive orders
Delivery partners can sign up to deliver orders
Payment integration is required for seamless transactions
User reviews and ratings can be implemented for restaurant feedback
Location-b...
Round duration - 30 Minutes
Round difficulty - Easy
Cultural
Interview Preparation Tips
Tip 1 : Prepare for DA/Algo online consistently.
Tip 2 : During interviews, do not hesitate to clarify your doubts, if any. Be in constant communication, explain your thought process.
Tip 3 : Have strong grasp on domain and technologies. Quality over Quantity
Tip 1 : Have super clear idea about the projects you've been part of in case of any cross questions.
Tip 2 : Along with your role do describe how you increased the throughput or reduced cost.
Skills evaluated in this interview
Selected
I applied via Campus Placement and was interviewed in Oct 2023. There were 4 interview rounds.
Basic mathematics and analytical thinking questions
Basic programming questions
(2 Questions)
- Q1. Be confident and speak casually
- Q2. Basic questions depending on how u interact
Interview Preparation Tips
Pranav Bhat Thirthahalli
Interview Questionnaire
14 Questions
- Q1. What is race condition and how can it be eliminated
- Ans.
Race condition is a situation where multiple threads/processes access and manipulate shared data simultaneously.
It can be eliminated by using synchronization techniques like locks, semaphores, and mutexes.
Another way is to use atomic operations that ensure the data is accessed and modified atomically.
Using thread-safe data structures can also prevent race conditions.
Example: Two threads trying to increment a shared var...
- Q2. What is JCube?
- Ans.
JCube is a Java library for creating and manipulating Rubik's Cube puzzles.
JCube provides classes for representing Rubik's Cube puzzles and algorithms for solving them.
It supports various cube sizes and can generate random scrambles.
JCube can be used in Java applications or as a standalone command-line tool.
It is open source and available on GitHub.
- Q3. What is regression testing?
- Ans.
Regression testing is the process of testing changes made to a software application to ensure that existing functionality still works.
It is performed after making changes to the software
It ensures that existing functionality is not affected by the changes
It helps to catch any defects or bugs that may have been introduced
It can be automated using testing tools
Examples include retesting after bug fixes, testing after new...
- Q4. Discussion on different sorting techniques
- Q5. Discussion on SQL and SQL optimisaion
- Q6. Software engineering principles
- Ans.
Software engineering principles are the best practices and guidelines for developing high-quality software.
Software should be designed with modularity and scalability in mind.
Code should be well-documented and easy to read.
Testing and debugging should be an integral part of the development process.
Version control should be used to manage code changes.
Security and privacy should be considered throughout the development ...
- Q7. Java and OOP's question
- Q8. Define Singleton class
- Ans.
A Singleton class is a class that can only have one instance at a time.
It restricts the instantiation of a class to a single object.
It provides a global point of access to that instance.
It is often used in situations where a single object is required to coordinate actions across a system.
Example: Database connection manager, Configuration manager, Logger manager.
- Q9. Explain Testing principles and Design principles
- Ans.
Testing principles ensure software quality, while design principles guide software development.
Testing principles include unit testing, integration testing, and acceptance testing.
Design principles include SOLID, DRY, and KISS.
Testing principles ensure that software meets requirements and is free of defects.
Design principles guide software development to be modular, maintainable, and scalable.
- Q10. Types of machine learning and methods and examples, they may give you a situation and ask you which technique is good and why
- Q11. Why choose you for VISA?
- Ans.
I have the necessary skills, experience, and passion to contribute to VISA's success.
I have a strong background in software development and have worked on projects similar to those at VISA.
I am a quick learner and can adapt to new technologies and programming languages easily.
I am passionate about creating high-quality software that meets the needs of users and exceeds their expectations.
I am a team player and can work...
- Q12. Which profile is good for you?
- Ans.
A profile that challenges me to learn and grow while allowing me to contribute to a team.
A position that encourages continuous learning and development
A role that allows me to collaborate with a team and contribute to projects
A company culture that aligns with my values and work ethic
- Q13. About the work culture at VISA Inc
- Q14. If u already have a placement, why this company
- Ans.
I am interested in exploring new opportunities and challenges that this company can offer.
I am impressed with the company's reputation and growth potential.
I am excited about the projects and technologies this company is working on.
I believe this company can provide me with a better work-life balance and career growth opportunities.
I am looking for a company culture that aligns with my values and goals.
I am open to exp...
Interview Preparation Tips
Experience: Online Test on mettl.com
- 2 coding questions ( 15*2 = 30 marks ) - Moderate level
- 10 MCQs on Programming and Java ( 1*10 = 10)
- 6 MCQs on Machine Learning and Hadoop ( 1*6 = 6 )
- 6 MCQs on Computer Networks ( 1*6 = 6 )
- 6 MCQs on Computer Infrastructure and Architecture ( 1*6 = 6)
- 6 MCQs on Application security and Cryptography ( 1*6 = 6)
15 shortlisted from here including 8 B.Techs and 7 M.Techs for F2F interviews, which were taken by VISA employees from their US and Singapore offices( since they don't have any office at India ).
Round: Technical Interview
Experience: They may give you a situation and ask you to explain which Software engineering principles will you use. They ask you how will you explain the concept of stacks and queues to a 7 year old, or to a granny, so as to encourage programming(like seriously ? )
General Tips: Nothing as such, since this was my second on-campus placement, I had good experience of interviews.
Keep your fundamentals in all computer science subjects open. Unlike other companies they don't focus much on coding alone. The only other company which also looks at perfection in all computer science aspects is Xerox Research Center India.
Challenging and Equally rewarding, but seriously a unique experience with no much tension
Skills:
College Name: NIT Surathkal
Skills evaluated in this interview
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