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I applied via Recruitment Consulltant and was interviewed in Apr 2024. There were 2 interview rounds.
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Exam to test reasoning and aptitude, and speed to answer them
Dsa question easy to medium level
Print pyramid from Fibonacci sequence
Generate Fibonacci sequence up to a certain number
Use the Fibonacci numbers to create the pyramid structure
Print each row of the pyramid with appropriate spacing
Design SQL tables for library management system
Create tables for books, authors, members, transactions, etc.
Use primary and foreign keys to establish relationships between tables
Include columns like book title, author name, member ID, due date, etc.
I applied via Campus Placement and was interviewed before Jun 2023. There were 2 interview rounds.
Java , Spring, SQL questions asked without one data structure basic live coding question
It consist of 4 DSA ques and few quiz and opps concept based ques
1st was string based Medium level ques.
2nd was a ques based on 2 pointer
And other 2 was from Vector and Linked list easy ques
Print natural numbers in spiral form using a 2D array.
Create a 2D array with dimensions n x n.
Initialize variables for row and column boundaries.
Iterate through the array in a spiral pattern, filling in natural numbers.
I applied via Company Website
I applied via Referral and was interviewed in Feb 2021. There were 4 interview rounds.
I was interviewed in Jun 2021.
Round duration - 90 minutes
Round difficulty - Medium
Contained mix of coding, oops and general programming questions
Coding was live coding round
It was around 12pm
They used their own coding environment, I coded in java
Given an array arr
of length N
consisting of integers, find the sum of the subarray (including empty subarray) with the maximum sum among all subarrays.
Find the sum of the subarray with the maximum sum among all subarrays in an array of integers.
Iterate through the array and keep track of the maximum sum subarray seen so far.
Use Kadane's algorithm to efficiently find the maximum subarray sum.
Consider the case where all elements in the array are negative.
Handle the case where the array contains only one element.
Round duration - 90 Minutes
Round difficulty - Hard
It was a collection of HLD AND LLD
Was around 12pm
This was conducted on bluejeans
Design a URL shortener with database and necessary components
Use a unique identifier for each URL to generate short links
Store the original URL and corresponding short link in a database
Implement a redirect mechanism to redirect short links to original URLs
Consider implementing analytics to track usage and performance
Ensure scalability and reliability of the system
Round duration - 60 Minutes
Round difficulty - Easy
It was a friendly managerial round with director of my team, he was very for me to come on board and explained truthfully how payu is.
Round duration - 30 Minutes
Round difficulty - Easy
Just a normal HR discussion, he informed me that I've been selected and we discussed about the salary part
Tip 1 : have strong grasp of graph based algorithms
Tip 2 : have strong knowledge of data structure
Tip 3 : should be able to find where to use appropriate design pattern
Tip 1 : keep it short and simple
Tip 2 : focus more on design/architecture of project
I applied via LinkedIn and was interviewed in Nov 2024. There were 2 interview rounds.
Testing an payment flow on the application
I was interviewed in Dec 2021.
Round duration - 60 Minutes
Round difficulty - Medium
Time - afternoon.
Interviewer jumped straight into interview, formal and comfortable environment.
1. Interviewer introduction
2. Interviewee introduction
3. Coding question 1 - difficulty medium, topic - arrays
- explain approach, write code (pseudo code is fine), dry run on given TCS.
4. Coding question 2 - same as above, only question was different. Slightly more difficult but on arrays only.
5. Questions on Python & Django - difficulty medium - write code related to queryset on django objects
6. SQL question to code - 10th highest salary.
You are given a string S
. The task is to reverse the letters of the string while keeping non-alphabet characters in their original position.
S = "...
Reverse the letters of a string while keeping non-alphabet characters in their original position.
Iterate through the string and store the non-alphabet characters in their original positions
Reverse the letters of the string using two pointers technique
Combine the reversed letters with the non-alphabet characters to get the final reversed string
Given an array arr
that contains an equal number of positive and negative elements, rearrange the given array such that positive and negative numbers are arranged a...
Rearrange an array with equal positive and negative numbers alternatively while maintaining relative order.
Iterate through the array and separate positive and negative numbers into two separate arrays.
Merge the two arrays alternatively into the original array.
Ensure the relative order of positive and negative numbers is maintained.
Round duration - 60 Minutes
Round difficulty - Medium
1. Intro of interviewer
2. Intro of interviewee
3. Questions on Python - decorators, static method, class methods
4. Principal of coding, best practices
5. Question on DB - What is indexing, how to improve, best use of indexing.
6. Questions on django - what is django ORM, What is sandbox, Django models, Django queries.
7. Previous job, what do you do, stack you work on.
Very friendly environment, very pleasing person, loved it.
Tip 1 : Good at coding (solving, explaining), especially Dynamic Programming questions like knapsack. Focus 70% time on coding
Tip 2 : Apply to jobs through referral not on company site. Very important.
Tip 3 : Prepare good projects with how to explain in interview.
Tip 4 : Sound very energetic, competitive and some one with eager to learn, so they select you thinking you can be taught things as you have good attitude.
Remember : Good attitude in good coder > Bad attitude in expert coder.
Tip 1 : Max three, projects, which are interesting to talk about, and you have won something for it.
Tip 2 : Leave lot of white space, keep content small and in one page
based on 1 interview
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Ingenico Group
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