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KFintech Back end Executive Interview Questions and Answers

Updated 15 Dec 2024

KFintech Back end Executive Interview Experiences

3 interviews found

Interview experience
4
Good
Difficulty level
Easy
Process Duration
-
Result
Not Selected

I applied via Walk-in and was interviewed in Jun 2024. There was 1 interview round.

Round 1 - HR 

(2 Questions)

  • Q1. Self introduction and attitude
  • Q2. Work experience

Interview Preparation Tips

Interview preparation tips for other job seekers - Asking questions related work
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed before Apr 2023. There were 2 interview rounds.

Round 1 - HR 

(1 Question)

  • Q1. Self introduction
Round 2 - HR 

(1 Question)

  • Q1. Manager round for department wise

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident👌

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Q5. What is 4 tenth equal to?

I applied via Apna Jobs and was interviewed in Nov 2021. There was 1 interview round.

Round 1 - HR 

(1 Question)

  • Q1. Self introduction, work experience Family background

Interview Preparation Tips

Interview preparation tips for other job seekers - Its very cool interview and don't fear

Interview questions from similar companies

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Group Discussion 

Its only one round that is Hr round and its lit easy

Round 3 - One-on-one 

(2 Questions)

  • Q1. Self introductio
  • Q2. Question related to resume

Interview Preparation Tips

Interview preparation tips for other job seekers - Easy to crack

I applied via Campus Placement and was interviewed in Dec 2016. There were 5 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. Questions about projects
  • Q2. Why Paypal?
  • Ans. 

    Paypal is a leading online payment platform with a strong reputation and global presence.

    • Paypal is a well-established and trusted online payment platform used by millions of users worldwide.

    • It offers secure and convenient payment options for both individuals and businesses.

    • Paypal has a strong focus on innovation and technology, making it an exciting place to work for software engineers.

    • Working at Paypal provides opport...

  • Answered by AI
  • Q3. What does Paypal do?
  • Ans. 

    Paypal is a digital payment platform that allows individuals and businesses to make online transactions.

    • Paypal provides a secure way to send and receive money online.

    • It allows users to link their bank accounts, credit cards, or debit cards to their Paypal account.

    • Users can make payments to merchants or individuals using their Paypal balance or linked payment methods.

    • Paypal offers buyer and seller protection, dispute re...

  • Answered by AI
  • Q4. How do you see yourself in 5 years?
  • Ans. 

    In 5 years, I see myself as a senior software engineer leading a team of developers on innovative projects.

    • Continuing to enhance my technical skills and knowledge through ongoing learning and certifications

    • Taking on more leadership responsibilities and mentoring junior team members

    • Contributing to the development of cutting-edge software solutions

    • Building strong relationships with colleagues and stakeholders to drive pr

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: One Programming and 15 multiple choice Questions.
Duration: 1 hour 30 minutes
Total Questions: 16

Round: Technical Interview
Experience: All details about projects you have written on resume. Some different implementation of some parts of your project.

Skills: Knowledge about Database Managements Systems, Problem Solving Skills
College Name: IIT Madras

I applied via Campus Placement and was interviewed in Dec 2016. There were 5 interview rounds.

Interview Questionnaire 

11 Questions

  • Q1. Detecting loop in linked list
  • Ans. 

    Detecting loop in a linked list

    • Use two pointers, one moving one node at a time and the other moving two nodes at a time

    • If there is a loop, the two pointers will eventually meet

    • If any of the pointers reach the end of the list, there is no loop

  • Answered by AI
  • Q2. Write code for dfs
  • Ans. 

    DFS (Depth-First Search) is a graph traversal algorithm that explores as far as possible along each branch before backtracking.

    • DFS uses a stack to keep track of visited nodes and explore adjacent nodes.

    • It can be implemented recursively or iteratively.

    • DFS is useful for solving problems like finding connected components, detecting cycles, and solving mazes.

  • Answered by AI
  • Q3. How to find cycle in graph
  • Ans. 

    To find a cycle in a graph, use depth-first search (DFS) and keep track of visited nodes.

    • Implement DFS algorithm to traverse the graph

    • Maintain a visited array to keep track of visited nodes

    • If a visited node is encountered again during DFS, a cycle exists

  • Answered by AI
  • Q4. What is hashing and how will you implement?
  • Ans. 

    Hashing is a process of converting data into a fixed-size numerical value called a hash code.

    • Hashing is used to quickly retrieve data from large datasets.

    • It is commonly used in data structures like hash tables and hash maps.

    • Hash functions should be fast, deterministic, and produce unique hash codes for different inputs.

    • Examples of hash functions include MD5, SHA-1, and SHA-256.

  • Answered by AI
  • Q5. Questions related to to resume
  • Q6. No of pairs between 1 and N satisfy relation pow(a,3)+pow(b,3)=pow(c,3)+pow(d,3).a,b,c,d<=N
  • Ans. 

    The question asks for the number of pairs between 1 and N that satisfy a specific mathematical relation.

    • The relation is pow(a,3) + pow(b,3) = pow(c,3) + pow(d,3)

    • The values of a, b, c, and d should be less than or equal to N

    • Count the number of pairs that satisfy the relation

  • Answered by AI
  • Q7. -----.php?pid=514
  • Q8. Questions related to resume
  • Q9. Explain Merge sort
  • Ans. 

    Merge sort is a divide-and-conquer algorithm that recursively divides an array into two halves, sorts them, and then merges them.

    • Divide the array into two halves

    • Recursively sort each half

    • Merge the sorted halves back together

    • Repeat until the entire array is sorted

  • Answered by AI
  • Q10. Why do you want to join in paypal?
  • Ans. 

    I want to join PayPal because of its innovative technology, global impact, and strong company culture.

    • Innovative technology - PayPal is known for its cutting-edge technology and digital payment solutions.

    • Global impact - Working at PayPal would allow me to contribute to a company that has a worldwide reach and influence.

    • Strong company culture - I value a company that prioritizes diversity, inclusion, and employee well-b...

  • Answered by AI
  • Q11. Explain anything whatever you learned recently?
  • Ans. 

    I recently learned about the benefits of using Docker for containerization.

    • Docker allows for easy packaging and deployment of applications

    • It helps in creating consistent environments across different platforms

    • Docker containers are lightweight and efficient

    • Example: I used Docker to containerize a microservices architecture for a recent project

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: coding question related to palindrome portioning.MCQs related to cs fundamentals
Duration: 1 hour 30 minutes

Skills: General Coding And Problem Solving
College Name: IIT Madras

Skills evaluated in this interview

I applied via Campus Placement

Interview Preparation Tips

Round: Resume Shortlist
Experience: Initially test was conducted. But they also considered resume for shortlisting to interview. Even if you do test badly, resume will come to your rescue if it is good enough.
Tips: Test consists of both aptitude and coding. Basic coding skills in C will be sufficient to solve the coding questions.

General Tips: Interviewing people are very friendly during the interview. Concentrate on concepts like linked lists, basic problems on strongs.
Skill Tips: Any basic C programming book.
Skills: Basic Coding, Basic C/C++
Duration: 2.5
College Name: IIT Madras
Motivation: Diverse fields in which company is working.

I applied via Referral

Interview Questionnaire 

13 Questions

  • Q1. Which is my dream company?
  • Q2. What is my biggest achievement till date?
  • Ans. 

    My biggest achievement till date is successfully leading a team to develop and launch a new software product ahead of schedule.

    • Led a team of developers to create a new software product

    • Completed the project ahead of schedule

    • Received positive feedback from clients and stakeholders

  • Answered by AI
  • Q3. How would I handle conflicts with my team members?
  • Ans. 

    I would address conflicts directly and respectfully, seeking to understand the root cause and find a mutually beneficial solution.

    • Listen actively to understand the other person's perspective

    • Communicate clearly and respectfully

    • Identify the root cause of the conflict

    • Brainstorm potential solutions together

    • Be willing to compromise and find a mutually beneficial solution

  • Answered by AI
  • Q4. I have saved money from a year and bought my dream bike. It is the last round of Paypal interview today. I am on my way on the bike and it breaks down in a no parking zone. Suggest a win­win situation so...
  • Q5. What is success according to me?
  • Ans. 

    Success is achieving personal goals, feeling fulfilled, and making a positive impact.

    • Success is subjective and can vary from person to person.

    • It involves setting and achieving goals, both short-term and long-term.

    • Feeling fulfilled and content with one's accomplishments is a key aspect of success.

    • Making a positive impact on others or the world can also be a measure of success.

    • Success is not just about material wealth or...

  • Answered by AI
  • Q6. I was asked to write a code snippet from my project
  • Q7. Program to implement Dijkstra’s algorithm
  • Ans. 

    Dijkstra's algorithm finds the shortest path between nodes in a graph.

    • Create a graph with nodes and edges

    • Assign a tentative distance to each node

    • Set the initial node as current and mark it visited

    • For each neighbor of the current node, calculate the tentative distance

    • If the tentative distance is less than the current distance, update the distance

    • Mark the current node as visited and select the unvisited node with the sma...

  • Answered by AI
  • Q8. Program to reverse a singly linked list
  • Ans. 

    A program to reverse a singly linked list

    • Create a new empty linked list

    • Traverse the original linked list and insert each node at the beginning of the new list

    • Return the new list

  • Answered by AI
  • Q9. Which algorithm would I use to sort a linked list and why? Subsequently, I was asked to explain the logic of merge sort
  • Q10. Suggest as many methods as possible for finding the nth largest element in an unsorted linked list
  • Ans. 

    Methods to find nth largest element in an unsorted linked list

    • Traverse the linked list and store elements in an array, sort the array and return the nth largest element

    • Use quickselect algorithm to find the nth largest element in O(n) time complexity

    • Implement a max heap and extract the nth largest element

    • Divide the linked list into smaller sublists and recursively find the nth largest element

    • Use merge sort to sort the l

  • Answered by AI
  • Q11. How would I explain the concept of prime number to an illiterate?
  • Ans. 

    A prime number is a number that is divisible only by 1 and itself.

    • A prime number has exactly two factors: 1 and itself.

    • Prime numbers cannot be divided evenly by any other number.

    • Examples of prime numbers include 2, 3, 5, 7, 11, 13, 17, etc.

  • Answered by AI
  • Q12. Give a few test cases for a bank transaction
  • Ans. 

    Test cases for a bank transaction

    • Transaction amount within account balance limit

    • Transaction amount exceeds account balance limit

    • Transaction to a valid account number

    • Transaction to an invalid account number

    • Transaction with correct transaction code

    • Transaction with incorrect transaction code

    • Transaction during bank working hours

    • Transaction outside bank working hours

  • Answered by AI
  • Q13. Design classes for educational institutions in a city
  • Ans. 

    Design classes for educational institutions in a city

    • Identify the main entities: schools, students, teachers, courses

    • Create a School class with attributes like name, address, and a list of students and teachers

    • Create a Student class with attributes like name, age, and a list of courses

    • Create a Teacher class with attributes like name, specialization, and a list of courses

    • Create a Course class with attributes like name, ...

  • Answered by AI

Interview Preparation Tips

Skills:
College Name: NA

Skills evaluated in this interview

I was interviewed before Jan 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 90 minutes
Round difficulty - Medium

This was an online test for 90 minutes. 2 programming questions and MCQs related to CS fundamentals were asked.

  • Q1. 

    Cycle Detection in a Singly Linked List

    Determine if a given singly linked list of integers forms a cycle or not.

    A cycle in a linked list occurs when a node's next points back to a previous node in the ...

  • Ans. 

    Detect if a singly linked list forms a cycle by checking if a node's next points back to a previous node.

    • Traverse the linked list using two pointers, one moving one step at a time and the other moving two steps at a time.

    • If the two pointers meet at any point, it indicates the presence of a cycle in the linked list.

    • If one of the pointers reaches the end of the list (null), it means there is no cycle.

  • Answered by AI
  • Q2. 

    Palindrome Partitioning II Problem Statement

    Given a string ‘str’, find the minimum number of partitions needed such that every segment of the string is a palindrome.

    The task is to make cuts in the stri...

  • Ans. 

    Find the minimum number of partitions needed in a string such that every segment is a palindrome.

    • Iterate through the string and check for palindromes at each possible partition point.

    • Use dynamic programming to keep track of the minimum cuts needed.

    • Consider edge cases where the string is already a palindrome or consists of different characters only.

  • Answered by AI
Round 2 - Face to Face 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Medium

Technical round that lasted for around 60 minutes. The interviewer asked questions related to data structures and algorithms.

  • Q1. 

    DFS Traversal Problem Statement

    Given an undirected and disconnected graph G(V, E), where V is the number of vertices and E is the number of edges, the connections between vertices are provided in the 'GR...

  • Ans. 

    DFS traversal problem on an undirected and disconnected graph to find connected components.

    • Perform Depth First Search (DFS) on each vertex to find connected components

    • Use a visited array to keep track of visited vertices

    • Print the number of connected components and list vertices in ascending order for each component

  • Answered by AI
  • Q2. 

    Cycle Detection in Undirected Graph Problem Statement

    You are provided with an undirected graph containing 'N' vertices and 'M' edges. The vertices are numbered from 1 to 'N'. Your objective is to determi...

  • Ans. 

    Detect cycles in an undirected graph with given vertices and edges.

    • Use Depth First Search (DFS) to traverse the graph and detect cycles.

    • Maintain a visited array to keep track of visited vertices and a parent array to keep track of the parent of each vertex.

    • If while traversing, you encounter a visited vertex that is not the parent of the current vertex, then a cycle exists.

    • Consider edge cases like disconnected graphs an

  • Answered by AI
Round 3 - Face to Face 

(3 Questions)

Round duration - 60 minutes
Round difficulty - Medium

Technical round that lasted for around 60 minutes. The interviewer asked questions related to data structures and algorithms.

  • Q1. 

    Merge Sort Problem Statement

    You are given a sequence of numbers, ARR. Your task is to return a sorted sequence of ARR in non-descending order using the Merge Sort algorithm.

    Explanation:

    The Merge Sort...

  • Ans. 

    Implement Merge Sort algorithm to sort a sequence of numbers in non-descending order.

    • Implement the Merge Sort algorithm using a Divide and Conquer approach

    • Recursively divide the input array into two halves until the size of each array is 1

    • Merge the sorted halves to produce a completely sorted array

    • Ensure the output is in non-descending order

  • Answered by AI
  • Q2. 

    Maximum Difference Problem Statement

    Given an array ARR of N elements, your task is to find the maximum difference between any two elements in ARR.

    If the maximum difference is even, print EVEN; if it is...

  • Ans. 

    Find the maximum difference between any two elements in an array and determine if it is even or odd.

    • Iterate through the array to find the maximum and minimum elements

    • Calculate the difference between the maximum and minimum elements

    • Check if the difference is even or odd and return the result

  • Answered by AI
  • Q3. What is hashing and how can it be implemented?
  • Ans. 

    Hashing is a process of converting input data into a fixed-size string of bytes using a hash function.

    • Hashing is used to securely store passwords by converting them into a hash value before storing in a database.

    • Hashing is used in data structures like hash tables to quickly retrieve data based on a key.

    • Common hash functions include MD5, SHA-1, and SHA-256.

    • Hashing can be implemented in programming languages like Python

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAPaypal interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.:

Application resume tips for other job seekers

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.

Final outcome of the interviewSelected

Skills evaluated in this interview

I was interviewed before Jan 2021.

Round 1 - Face to Face 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Technical Interview round where the interviewer asked questions based on Data structures and algorithms.

  • Q1. 

    Reverse Linked List Problem Statement

    Given a Singly Linked List of integers, your task is to reverse the Linked List by altering the links between the nodes.

    Input:

    The first line of input is an intege...
  • Ans. 

    Reverse a singly linked list by altering the links between nodes.

    • Iterate through the linked list and reverse the links between nodes.

    • Use three pointers to keep track of the current, previous, and next nodes.

    • Update the links between nodes to reverse the list.

    • Return the head of the reversed linked list.

  • Answered by AI
  • Q2. 

    Dijkstra's Shortest Path Problem

    Given an undirected graph with ‘V’ vertices (labeled 0, 1, ... , V-1) and ‘E’ edges, where each edge has a weight representing the distance between two connected nodes (X,...

  • Ans. 

    Dijkstra's algorithm is used to find the shortest path from a source node to all other nodes in a graph with weighted edges.

    • Implement Dijkstra's algorithm to find the shortest path distances from the source node to all other nodes.

    • Use a priority queue to efficiently select the next node with the shortest distance.

    • Update the distances of neighboring nodes based on the current node's distance and edge weights.

    • Handle disc...

  • Answered by AI
Round 2 - Face to Face 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Technical Interview round where the interviewer asked questions based on Data structures and algorithms.

  • Q1. 

    Sort Linked List Based on Actual Values

    Given a Singly Linked List of integers that are sorted based on their absolute values, the task is to sort the linked list based on the actual values.

    The absolute...

  • Ans. 

    Sort a Singly Linked List based on actual values instead of absolute values.

    • Traverse the linked list and store the values in an array.

    • Sort the array based on actual values.

    • Update the linked list with the sorted values.

  • Answered by AI
  • Q2. 

    Kth Largest Element Problem

    Given an array containing N distinct positive integers and a number K, determine the Kth largest element in the array.

    Example:

    Input:
    N = 6, K = 3, array = [2, 1, 5, 6, 3, ...
  • Ans. 

    Find the Kth largest element in an array of distinct positive integers.

    • Sort the array in non-increasing order to easily find the Kth largest element.

    • Ensure all elements in the array are distinct for accurate results.

    • Handle multiple test cases efficiently by iterating through each case.

  • Answered by AI
Round 3 - HR 

Round duration - 30 minutes
Round difficulty - Easy

HR Round that lasted for around 30 minutes. The interviewer asked questions to know more about me.

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAPaypal interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

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.

Final outcome of the interviewSelected

Skills evaluated in this interview

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KFintech Interview FAQs

How many rounds are there in KFintech Back end Executive interview?
KFintech interview process usually has 1-2 rounds. The most common rounds in the KFintech interview process are HR.

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KFintech Back end Executive Interview Process

based on 2 interviews

1 Interview rounds

  • HR Round
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