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Visa System Engineer Interview Questions and Answers

Updated 18 Sep 2015

Visa System Engineer Interview Experiences

1 interview found

System Engineer Interview Questions & Answers

user image Abhishek Awasthi

posted on 18 Sep 2015

Interview Questionnaire 

2 Questions

  • Q1. Questions based on resume (e.g. skills and projects)
  • Q2. Personal Interview

Interview Preparation Tips

Round: Test
Experience: Coding problems carry more weightage, but considering the number of MCQs they were equally important. I had solved both the coding problems correctly and attempted MCQs efficiently.
Tips: Don't get attached to a particular question. We need to create our own strategy to get maximum possible marks with in given time constraint.
Duration: 75 minutes
Total Questions: 42

Round: Technical Interview
Experience: This was a kind of rapid round to find out reliability of my resume. Questions were based on skills and projects I had mentioned in the resume
Tips: Mention only those skills/projects on which you have command otherwise your resume may become your enemy rather than friend.

Round: Technical Interview
Experience: This round was all about to test my capabilities of thinking out of the box. Questions were based on scalability, to write code on paper for the given problem, some basic questions on networking.
Tips: While dealing with scalability based questions, never give up, try your best. The interviewer doesn't expect the exact answer because some of them are real world problems (most of the freshers don't have much idea about such problems), but you need to prove that you can think out of the box.

Round: Other Interview
Experience: This was the final round to assign the suitable profile based on the technical interviews.
Tips: Be confident and honest.

General Tips: Be confident and never give up during the interview.
Skills: Coding skills, C, C++, JAVA, Basics of Networking, Algorithms, Ability to think out of the box, Basics of OS
College Name: IIT Bombay
Motivation: A big brand which is close to heart of people who rely on online transactions in daily life.

Interview questions from similar companies

I applied via Company Website and was interviewed before Jan 2021. There were 3 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 tips
Round 2 - Technical 

(2 Questions)

  • Q1. Pl sql Unix api configuration
  • Q2. Routing how to use proxy
  • Ans. 

    Routing through a proxy involves configuring the proxy server to forward requests to the destination server.

    • Configure the proxy server to listen for incoming requests

    • Configure the proxy server to forward requests to the destination server

    • Configure the client to use the proxy server for outgoing requests

    • Use a proxy server to bypass network restrictions or improve performance

    • Examples: Nginx, Apache, Squid

  • Answered by AI
Round 3 - One-on-one 

Interview Preparation Tips

Interview preparation tips for other job seekers - Avoid this company. You can be fired any day without notice.

Skills evaluated in this interview

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

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

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

(1 Question)

  • Q1. They asked Java coding question

I appeared for an interview before Jan 2021.

Round 1 - Video Call 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Medium

Technical interview round where the Interviewer asked me questions based on data structures and algorithms.

  • Q1. 

    Design a Constant Time Data Structure

    Create a data structure that maintains mappings between keys and values, supporting the following operations in constant time:

    1. INSERT(key, value): Add or update t...
  • Ans. 

    Design a constant time data structure for key-value mappings with operations like INSERT, DELETE, SEARCH, GET, GET_SIZE, and IS_EMPTY.

    • Use a hash table to store key-value pairs for constant time operations.

    • Implement INSERT by hashing the key and storing the value at the corresponding index.

    • For DELETE, simply remove the key-value pair from the hash table.

    • SEARCH can be done by checking if the key exists in the hash table.

    • ...

  • Answered by AI
  • Q2. 

    Integer to Roman Conversion

    Given an integer N, convert it to its corresponding Roman numeral representation. Roman numerals comprise seven symbols: I, V, X, L, C, D, and M.

    Example:

    Input:
    N = 2
    Outp...
  • Ans. 

    Convert an integer to its corresponding Roman numeral representation.

    • Create a mapping of integer values to Roman numeral symbols

    • Iterate through the mapping in descending order of values and build the Roman numeral representation

    • Handle special cases like 4, 9, 40, 90, 400, 900 separately

    • Repeat the process for each digit of the input integer

  • Answered by AI
Round 2 - Video Call 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Medium

Technical interview round where the Interviewer asked me questions based on data structures and algorithms.

  • Q1. 

    Total Area of Overlapping Rectangles Problem Statement

    Determine the total area covered by two given rectangles on a 2-D coordinate plane, which may have an overlapping area.

    Input:

    The first line conta...
  • Ans. 

    Calculate the total area covered by two overlapping rectangles on a 2-D coordinate plane.

    • Parse input coordinates for two rectangles

    • Calculate the area of each rectangle

    • Find the overlapping area by determining the intersection of the rectangles

    • Calculate the total area by adding the areas of both rectangles and subtracting the overlapping area

  • Answered by AI
  • Q2. 

    Longest Repeating Subsequence Problem Statement

    Given a string st, your task is to determine the length of the longest repeating subsequence such that no two subsequences have the same character at the sa...

  • Ans. 

    The task is to find the length of the longest repeating subsequence in a string with no same characters at the same position.

    • Iterate through the string and find the longest repeating subsequence by comparing characters at different positions.

    • Use dynamic programming to keep track of the longest repeating subsequence found so far.

    • Ensure that no two subsequences have the same character at the same position.

    • Example: For in...

  • Answered by AI
Round 3 - Video Call 

(1 Question)

Round duration - 60 minutes
Round difficulty - Medium

This was a system design round.

  • Q1. How would you design a rate limiter?
  • Ans. 

    Rate limiter can be designed using token bucket algorithm to control the rate of requests.

    • Use token bucket algorithm to control the rate of requests

    • Set a limit on the number of requests allowed within a certain time frame

    • Track the number of requests made and refill the bucket at a constant rate

    • Reject requests that exceed the limit

  • 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 interviewRejected

Skills evaluated in this interview

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 tips
Round 2 - Coding Test 

DSA specific coding questions, arrays, stacks queues, trees mostly

Round 3 - Technical 

(1 Question)

  • Q1. DSA specific, may ask graphs ,dp

Interview Preparation Tips

Interview preparation tips for other job seekers - System design, grokking system design interview
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Basic DSA and android questions

Round 2 - Coding Test 

Live coding round for android

Round 3 - HR 

(1 Question)

  • Q1. Explain your past experiences?

I applied via Campus Placement

Round 1 - Coding Test 

Easy to medium level question with some mcqs

Round 2 - Assignment 

Then we had a training for one month and we created a project based on that project we were given internships

Interview Preparation Tips

Interview preparation tips for other job seekers - Just relax and work properly during training it will help in getting brownie points

Visa Interview FAQs

How to prepare for Visa System 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 Visa. The most common topics and skills that interviewers at Visa expect are Automation, Change Management, Linux, Monitoring and MySQL.

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Visa System Engineer Salary
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₹5.4 L/yr - ₹18 L/yr
117% more than the average System Engineer Salary in India
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