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CapitalOne Software Engineer Interview Questions and Answers

Updated 13 Jan 2025

CapitalOne Software Engineer Interview Experiences

4 interviews found

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. They asked Java coding question
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Jul 2024. There were 2 interview rounds.

Round 1 - Assignment 

There was a hacker rank assignment

Round 2 - Coding Test 

Leetcode style question, medium

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Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. System design question normal
Round 2 - Coding Test 

Coding question of moderate difficulty

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

I applied via Referral and was interviewed before Mar 2023. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. What is Java String pool?
  • Ans. 

    Java String pool is a special memory area in Java heap where String literals are stored to optimize memory usage.

    • String pool is a part of Java heap memory.

    • String literals are stored in the String pool to avoid duplicate objects.

    • Strings created using double quotes are stored in the String pool.

    • Strings created using new keyword are not stored in the String pool.

  • Answered by AI
Round 2 - Behavioral interview 

(1 Question)

  • Q1. Did you have any conflicts with your peers and have did you handle it?

Skills evaluated in this interview

CapitalOne interview questions for designations

 Senior Software Engineer

 (4)

 Lead Software Engineer

 (1)

 Associate Software Engineer

 (1)

 Senior Software Development Engineer

 (1)

 Software Developer

 (1)

 Senior Software Developer

 (1)

 Softwaretest Engineer

 (1)

 Associate Software Engineering Intern

 (1)

Interview questions from similar companies

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 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 Preparation Tips

Round: Test
Experience: The written test was quite similar to the typical CAT pattern. It contained sections on Reading Comprehension, Data Interpretation and Mathematics.

Round: Technical + HR Interview
Experience: There were 2 interviewers in the first interview, one was a technical guy and the other was from HR. They asked me a few very simple puzzles, a few basic programming questions (swapping the value of two variables etc.), questions related to the development cycle of software products. The HR guy asked stuff like what do you want to achieve in life? Strengths, weaknesses etc.

Round: Case Study Interview
Experience: The third interview was the most important one (and I guess that was the deciding interview). The interviewer started with questions like why finance? Which companies are you sitting for? Then he gave me a case study:

Interview Questionnaire 

2 Questions

  • Q1. Oops, os, dbms, project
  • Q2. Why hsbc, why should I hire you.
  • Ans. 

    I have a strong background in software engineering and a passion for innovation, making me a valuable asset to HSBC.

    • I have a proven track record of successfully delivering high-quality software solutions in previous roles.

    • I am highly skilled in various programming languages and technologies, including Java, Python, and SQL.

    • I have experience working in agile development environments, allowing me to adapt quickly to chan...

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: 4 sections, 15 questions each. Sections on apti, english, programming, technical.
Tips: Time management, complete english and technical first
Duration: 1 hour
Total Questions: 60

Round: Group Discussion
Experience: We were asked which super hero would you like to be. Shared the information. Always present the positives and negatives and emphasize that despite of being negatives
Tips: Think everything through before speaking
Duration: 40 minutes

Round: Technical Interview
Experience: Prepare well, anything can be asked on the things written on your resume

Round: HR Interview
Experience: Sell yourself. Tell them why you would be the best candidate.
Tips: Tell your advantages of being a fresher that you would be comfortable in any technology

College Name: Acropolis institute of technology and research
Interview experience
3
Average
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Oct 2024. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Asked about oops
  • Q2. Easy level DSA question was asked
Round 2 - HR 

(1 Question)

  • Q1. General hr questions
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CapitalOne Interview FAQs

How many rounds are there in CapitalOne Software Engineer interview?
CapitalOne interview process usually has 1-2 rounds. The most common rounds in the CapitalOne interview process are Technical, Coding Test and Assignment.
How to prepare for CapitalOne Software Engineer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at CapitalOne. The most common topics and skills that interviewers at CapitalOne expect are AWS, Python, Full Stack, Azure and C++.
What are the top questions asked in CapitalOne Software Engineer interview?

Some of the top questions asked at the CapitalOne Software Engineer interview -

  1. What is Java String po...read more
  2. They asked Java coding quest...read more
  3. System design question nor...read more

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CapitalOne Software Engineer Interview Process

based on 4 interviews

1 Interview rounds

  • Technical Round
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CapitalOne Software Engineer Salary
based on 17 salaries
₹3.8 L/yr - ₹14.2 L/yr
5% more than the average Software Engineer Salary in India
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