Visa Inc. Interview Expertise (On-Campus) 2022


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Interview Expertise from Birla Institute of Know-how, Mesra.

Spherical 1(Coding Take a look at): The primary spherical was an internet coding take a look at on HackerRank platform that consist of three coding questions and was carried out for 1 hour half-hour. The questions had been:

  • https://leetcode.com/issues/minimum-falling-path-sum/
  • https://leetcode.com/issues/longest-increasing-subsequence/
  • https://leetcode.com/issues/sell-diminishing-valued-colored-balls/

Round 16 college students had been shortlisted for interviews.;

Spherical 2(Technical):

  • The interviewer launched himself and requested me to offer my introduction.
  • Then he requested about my initiatives and tech stacks used.
  • I defined him about all tech stacks used.
  • After that, he requested a coding query. Given a sorted array, print the lacking numbers in it. He was simply testing our thought course of.
  • Then he requested me to jot down code of GCD operate.
  • Then he gave two tables Emp_Info and Emp_sal and requested two SQL queries associated to them.
  • First query was a straightforward one, it was associated to SUBSTR operate.
  • Second query was to get the 2nd Most which could possibly be solved utilizing the ideas of LEFT JOIN, ORDER BY, TOP, OFFSET.
  • What’s OSI Mannequin?
  • Ultimately, he requested whether or not I had any questions for him.          

Spherical 3(Technical): 

  • Inform me one thing about your initiatives?
  • Distinction between SQL and NO-SQL Database?
  • Actual life examples the place we’ll choose utilizing SQL and NO-SQL Database?
  • How will you deal with 1 million requests in your software?
  • Distinction between http and https?
  • What are internet sockets?
  • Software program Improvement Methodologies?
  • Software program Improvement Life Cycle?
  • Which is extra necessary improvement or testing and why?
  • What are Deadlocks?
  • Essential situations for impasse? Given a printer and a scanner when can impasse happen?
  • Impasse dealing with methods? Which approach is utilized by home windows OS?
  • Then he requested a coding query : https://www.geeksforgeeks.org/sum-two-large-numbers/
  • Methods to finest keep a sorted record from a stream of integers?
  • Then he requested me a puzzle : https://www.geeksforgeeks.org/puzzle-50-red-marbles-and-50-blue-marbles/
  • Ultimately, he requested whether or not I had any questions for him.

Closing Spherical(Technical plus managerial): In my case it was extra of technical.

  • The interviewer was very pleasant. He gave his introduction first and requested my introduction.
  • He went via my resume and requested about RazorPay API which I had utilized in certainly one of my venture.
  • What’s going to you do if outage occurs in Razorpay API?
  • What’s going to you do in a state of affairs the place your colleague is taking credit score of the work finished by you?
  • How will you discover the cvv of a Debit card? Mainly we now have to make use of all 3-digit numbers and verify for correctness.
  • The interview additionally gave one other resolution and requested me to offer factors why my resolution is healthier than his.
  • How will I create a doubly-linked record? An actual life use of doubly-linked record?
  • Then we had a brief dialogue on LRU as I instructed him we use doubly-linked record in it.
  • Do you have got any questions for me?

Outcomes had been introduced round 9:30 pm.

4 college students had been lastly chosen for 6month+FTE at VISA Inc. and I used to be certainly one of them.

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