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CLSA Senior Software Engineer Interview Questions and Answers

Updated 19 Oct 2021

CLSA Senior Software Engineer Interview Experiences

1 interview found

I applied via Recruitment Consultant and was interviewed in Sep 2021. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Treeset, Treemap, Logical and tricky questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well, be yourself. Stick to CV.

Interview questions from similar companies

Interview Preparation Tips

Round: Test
Experience: Study data interpretation (calculator allowed) and pattern puzzles

Round: Group Discussion
Experience: Two topics (have been same case studies for past 4 years now): - Mobile app improvement - Making a business decision

Round: HR Interview
Experience: Everything depends only on HR interview
Tips: Make a list of your strengths and an example for each!

Round: Technical Interview
Experience: Short, easy and basic questions asked about projects and DS. Pretty chilled

College Name: Sardar Patel Institute of Technology

Software Engineer Interview Questions & Answers

Barclays user image Shubham Srivastava

posted on 30 Jan 2016

Interview Preparation Tips

Round: Test
Experience: General aptitude consisted of quantitative questions .There were 6 questions and suggested time as 10 minutes. Questions were of easy level. Questions based on numbers,distance,time etc..Answers of general aptitude were to be written in textbox. eg ans is 4,write 4. there were no options in quant. Answers were integers an easy.
Technical comprehension involved two paragraphs and questions based on sql.
Logical analysis contained questions of logical deduction mainly.
Program tracing involved finding output of programs(mainly while loop and if else)..
Programming : There was only one question of programming(to be solved in 30 minutes). Code was given and was to be modified.Modification involved like , find out the least salary of employees,... (they used file input output and structures).

Tips: Practice basic aptitude.Concepts should be clear.
Duration: 90 minutes
Total Questions: 18

Skills: Basic C/C++, Logical Thinking, Logical Reasoning, General Aptitude
College Name: NIT Raipur

Interview Questionnaire 

11 Questions

  • Q1. 1st technical round
  • Q2. How you will find the smallest of 4 numbers without using >.< and min function using java
  • Ans. 

    Finding smallest of 4 numbers without using >.< and min function in Java.

    • Initialize a variable with the first number

    • Compare it with the remaining numbers using if-else statements

    • If a smaller number is found, update the variable

    • Repeat until all numbers are compared

    • The final value of the variable will be the smallest number

  • Answered by AI
  • Q3. Write a code for palindrome
  • Ans. 

    Code for palindrome checking

    • Convert the input to lowercase to ignore case sensitivity

    • Use two pointers, one at the start and one at the end of the string

    • Compare the characters at both pointers and move them towards each other

    • If all characters match, it's a palindrome

  • Answered by AI
  • Q4. Write any javascript code
  • Ans. 

    Javascript code to display 'Hello World!' on the webpage

    • Create a new HTML file

    • Add a script tag with 'type' attribute set to 'text/javascript'

    • Inside the script tag, use document.write() to display 'Hello World!'

  • Answered by AI
  • Q5. Swap two number without using temperory variable
  • Ans. 

    Swap two numbers without using a temporary variable.

    • Use addition and subtraction to swap the values

    • Use XOR operator to swap the values

    • Use multiplication and division to swap the values

  • Answered by AI
  • Q6. How you will add 2 table
  • Ans. 

    To add 2 tables, we need to use a join operation on a common column.

    • Identify the common column between the tables

    • Choose the appropriate join type (inner, outer, left, right)

    • Write the SQL query to join the tables

    • Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column

  • Answered by AI
  • Q7. Difference between union and union all
  • Ans. 

    Union combines and removes duplicates, Union All combines all rows including duplicates.

    • Union is used to combine the result sets of two or more SELECT statements and remove duplicates.

    • Union All is used to combine the result sets of two or more SELECT statements and includes all rows, including duplicates.

    • Union is slower than Union All as it has to remove duplicates.

    • Union requires the same number of columns in all SELEC...

  • Answered by AI
  • Q8. They provide an instance, and tell us to write a query for that
  • Q9. Tell me about yourself
  • Q10. The worst situation during your internship period
  • Ans. 

    Being assigned a project with unrealistic deadlines and minimal guidance

    • Received a project with tight deadlines and unclear requirements

    • Struggled to meet the deadlines due to lack of guidance and support

    • Had to work long hours and weekends to try to complete the project

    • Learned the importance of clear communication and setting realistic expectations

  • Answered by AI
  • Q11. How you will overcome from that worst situation

Interview Preparation Tips

Round: Test
Experience: The question were not that much difficult. Many apti questions are easy. Technical was very easy for me.
The questions were fully based on java, c and SQL. 7 to 8 questions are from SQL. But all are straight forward questions. Other 2 sections were easy and any student who had a good sort of thinking ability can able to solve those questions.
Tips: Just refer all the basic topics in java, c and sql.
Duration: 60 minutes
Total Questions: 50

Round: Technical Interview
Experience: It was fully based on the final sem project which i was doing.
Since my project is company's employee portal, i was asked about that. They will dig into deep with respect to that project.
Tips: U should be aware of each and everything in your project which you are going to explain them. The question which they use to ask is really unpredictable.

Round: Technical Interview
Experience: This is pure technical round where i was asked the questions which is easy but takes time to think. Anyhow, i answered all these questions and get into the next round.
Tips: Logical thinking matters. Though questions look easier, sometimes we co calculate with wrong manner.
So keep calm and think in a broader manner.

Round: Technical Interview
Experience: Technical round with pure database stuffs. I was asked only few question in this. Since it was straight forward, i answered all the questions.

Round: HR Interview
Experience: Confidence really matters. Though i was not that much good in conversing, i spoke with brave and confidently which makes me to became a part of the barclays team.

General Tips: Be confident enough and answer them what you know.
Talking too much as well as taking less is also a problematic.
Skills: Logical thinking, Technical skills ( Especially about database )
College Name: MANIPAL INSTITUTE OF TECHNOLOGY, MANIPAL
Motivation: Credits should goes to my bro who motivates me to apply to this comapny.

Skills evaluated in this interview

Interview Questionnaire 

4 Questions

  • Q1. Tell me about your internship, B.Tech project(BTP), CV
  • Q2. Implement LRU cache.
  • Ans. 

    Implement LRU cache

    • LRU stands for Least Recently Used

    • It is a cache eviction policy that removes the least recently used item

    • It can be implemented using a doubly linked list and a hash map

    • Newly accessed items are moved to the front of the list

    • When the cache is full, the item at the end of the list is removed

  • Answered by AI
  • Q3. What is virtual memory? Will we need virtual memory even if we have infinite amount of RAM?
  • Ans. 

    Virtual memory is a memory management technique that allows a computer to use more memory than it physically has.

    • Virtual memory uses a combination of RAM and hard disk space to store data.

    • It allows programs to use more memory than is physically available.

    • If a program tries to access memory that is not currently in RAM, it will be swapped in from the hard disk.

    • Even if we had infinite RAM, virtual memory would still be n...

  • Answered by AI
  • Q4. Given an array, Find out maximum length of subarray where max of subarray <= 2*min of subarray
  • Ans. 

    Find maximum length of subarray where max <= 2*min.

    • Iterate through array and keep track of max and min values.

    • Update max length when condition is met.

    • Time complexity: O(n)

  • Answered by AI

Interview Preparation Tips

Round: Resume Shortlist
Experience: No CPI cut off and It was open for all departments.

Round: Test
Experience: In muliple choice question Mostly questions were base on maths, probability, c programs, algorithms, Systems. If you are prepared then Questions were not that much tough. Keep strong concepts of Operating systems. For subjective part, Some problems were from maths proofs, some were from probability, some were from algo. We had to write algorithms. etc
Duration: 180 minutes

Round: Problem Statement
Experience: Questions were doable.

Round: Interview
Experience: Everyone was cool, They made me feel comfortable and then started asking questions.
Tips: If you have good rank in online coding competition, do mention it in CV.Most of the students think that GS asks only probability-puzzles. They did not asked me any question on probability or puzzle. Everything they asked was based on Algorithms problems and Operating system. I think it depends on team for which they are hiring. Most important point is don’t lose hope because you have low CPI or you are not good at something. Keep Operating systems fundamental concepts strong.

General Tips: We should balance in Placement and Compititive online coding. Keep in mind Placements and Compititive online coding are some what different things. Keep on improving our mistakes on daily basis. I would strongly suggest you to do introspection daily it will help you to find out your weaknesses and strong points, where we are going wrong etc. There are two thing on which we shoud focus.1. Preparation (I have told everything requered for preparation).2. Get output of all hard work. How to keep our mind on 100% output while the actual exam(placement).For this, I used to go for physical exercise daily in the morning and medidate for 20-30 minutes. Along with exercise i used to do Sudarshan Kriya(Art of Living). Meditation has lot of power :).
Skill Tips: Keep your OS fundamentals strong. To improve codgin skills practice as many problems as you can. Regularly participate in online coding competitions it really helps to solve or approach any new problem. Many time instead of correct answer the approach to solve the problems is very important. How you think, How you approach the problem is checked in interview.
Skills: Coding Skills, Operating Systems , Problem solving skills
College Name: IIT Guwahati
Motivation: The name GS itself enogh for motivation.

Skills evaluated in this interview

I was interviewed before Mar 2021.

Round 1 - Face to Face 

(3 Questions)

Round duration - 60 minutes
Round difficulty - Medium

Technical round with questions on DSA and OS.

  • Q1. 

    LRU Cache Design Problem Statement

    Design and implement a data structure for a Least Recently Used (LRU) cache that supports the following operations:

    • get(key) - Retrieve the value associated with the...
  • Ans. 

    Design and implement a Least Recently Used (LRU) cache data structure that supports get and put operations with a specified capacity.

    • Implement a doubly linked list to keep track of the order of keys based on their usage.

    • Use a hashmap to store key-value pairs for quick access and updates.

    • When a key is accessed or updated, move it to the front of the linked list to mark it as the most recently used.

    • When the cache reaches...

  • Answered by AI
  • Q2. 

    Maximum of All Subarrays of Size K

    Given an array of non-negative integers and an integer K representing the length of a subarray, your task is to determine the maximum elements for each subarray of size ...

  • Ans. 

    Find the maximum elements for each subarray of size K in a given array.

    • Iterate through the array and maintain a deque to store the indices of elements in decreasing order.

    • Pop elements from the deque that are out of the current window.

    • Keep track of the maximum element in each subarray of size K.

    • Return the maximum elements for each subarray.

  • Answered by AI
  • Q3. What is virtual memory?
  • Ans. 

    Virtual memory is a memory management technique that allows a computer to compensate for physical memory shortages by temporarily transferring data from RAM to disk storage.

    • Virtual memory allows programs to use more memory than is physically available on the system.

    • It helps in multitasking by allowing multiple programs to run simultaneously without running out of memory.

    • Virtual memory uses a combination of RAM and disk...

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAGoldman Sachs interview preparation:Topics to prepare for the interview - Coding Skills, Operating Systems , Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 5 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 interviewRejected

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Jul 2023. There were 2 interview rounds.

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 - Technical 

(2 Questions)

  • Q1. Normal q and ans on the job subject
  • Q2. Noral q and ans in node js.
Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Sep 2023. There were 4 interview rounds.

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 - Video Call 

(5 Questions)

  • Q1. Tell us about your Background and Experience that would make sure you are fit for this role
  • Q2. Write a program that converts the alternate letters of a sentence into uppercase, whitespace excluded
  • Ans. 

    Program to convert alternate letters of a sentence to uppercase, excluding whitespace

    • Iterate through each character of the sentence

    • Check if the character is a letter and if its index is odd

    • Convert the letter to uppercase if conditions are met

  • Answered by AI
  • Q3. Balanced parenthesis program
  • Q4. Explain your approach to solving balanced parenthesis program
  • Ans. 

    I approach solving balanced parenthesis program by using a stack data structure.

    • Use a stack to keep track of opening parentheses

    • Iterate through the input string and push opening parentheses onto the stack

    • When a closing parenthesis is encountered, pop from the stack and check if it matches the closing parenthesis

    • If stack is empty at the end and all parentheses are matched, the string is balanced

  • Answered by AI
  • Q5. Is there anything else that you want to tell us about yourselves?
Round 3 - Technical 

(4 Questions)

  • Q1. Tell me about yourself.
  • Q2. Tell me about your project, tools and algorithms used
  • Q3. Write a program to print the top five students in a classroom, including edge cases
  • Ans. 

    Program to print top five students in a classroom, handling edge cases

    • Create a list of students with their grades

    • Sort the list in descending order based on grades

    • Print the top five students, handling cases where there are less than five students or ties in grades

  • Answered by AI
  • Q4. Exceptional handling
Round 4 - Technical 

(3 Questions)

  • Q1. Program to check if the given string is palindrome
  • Ans. 

    A program to check if a given string is a palindrome.

    • Create a function that takes a string as input.

    • Reverse the string and compare it with the original string.

    • If they are the same, then the string is a palindrome.

    • Example: 'racecar' is a palindrome.

    • Example: 'hello' is not a palindrome.

  • Answered by AI
  • Q2. Program to return Fibonacci series
  • Ans. 

    A program to return Fibonacci series using recursion or iteration

    • Use recursion to generate Fibonacci series

    • Use iteration to generate Fibonacci series

    • Handle edge cases like negative input or input of 0 or 1

    • Example: Fibonacci series up to 10 - 0, 1, 1, 2, 3, 5, 8, 13, 21, 34

  • Answered by AI
  • Q3. Different ways to create a table in python
  • Ans. 

    Different ways to create a table in Python include using pandas, sqlite3, and SQLAlchemy libraries.

    • Using pandas library to create a table from a dictionary or list of lists

    • Using sqlite3 library to create a table in a SQLite database

    • Using SQLAlchemy library to create a table in a SQL database

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - I have given all the rounds very well, but I didn't get selected.

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Feb 2023. There was 1 interview round.

Round 1 - HR 

(1 Question)

  • Q1. Tell me about your strength and weaknesses
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Apr 2023. There were 3 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Sql question,python
Round 2 - Technical 

(1 Question)

  • Q1. Mostly etl, python
Round 3 - Technical 

(1 Question)

  • Q1. Etl questions ,
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