Walmart Interview Experience for SDE-2 2021
The whole interview process was done virtually. It consists of 5 rounds.
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- Online assessment
- Technical round 1
- Technical round 2
- HR round
- HR round and Managerial round
Round 1: Online assessment
Time: 1 hour
- This round was conducted on the HackerEarth platform
- Firstly, It consists of 10 MCQ questions based on OS, DBMS, OOP, and one general aptitude question
- Then it had 2 coding question
- The first one was the easy-medium problem about check two strings equal or not by swapping letters among them.
- The second one was a medium-hard problem based on the graph data structure (Cities and Roads)
- I was able to solve the first one completely and the second one partially
- About 16 students were shortlisted for further rounds
Round 2: Technical round 1
Time: 50 min
- All further face-to-face interview rounds were conducted on zoom
- In this round interviewer introduced himself. His role is SDE-3
- The interview started with my intro.
- Questions on OOPs and followed by designing of real words examples, expected to write classes structure
- Questions on DBMS, OS and to write one simple SQL query
- After this, he asked me to explain the first coding question which I solved completely in online assessment
- Then a graph question similar to the number of Islands problem
- An array question to find the maximum area of the rectangle where one side is maximum of (a[ i ], a[ j ]) and another side is a difference of (i, j) where I,j are indices
- About 10 students were shortlisted for further rounds
Round 3: Technical round 2
- Started with my intro
- Asked about projects and technologies I worked on
- This round was fully a peer to peer coding round
- The first question – Find the equality of two strings by swapping letters of one string
- The second question( Puzzle ) – array consists of (n -1) elements instead of n elements ranging from 1 to n such that we have to find missing elements in the array
- Third question – Graph-based question to find a particular element in the matrix which is sorted from left to right and also from top to bottom
- Fourth question – Given a String we have to find all the permutations of that string. He wanted a fully optimized code, I was able to achieve that
- I am not clear with the number but as I know 5 people were selected for the HR round.
Round 4: HR round
- He asked me some basic technical questions. First I thought it to be a managerial round but it turned out to be an HR round
- Then he asked me some basic HR questions such as strengths and weaknesses
- Where do you see yourself in 5 years
- Why Walmart etc
- He was very cool and it went as a discussion
- Initially, they told me that it was the last round but within 5 min I got called to join again
Round 5: HR round / Managerial round
Time: 20 min
- It’s completely based on projects and technologies I worked on
- I had to explain all the technologies mentioned in my resume, like what is the purpose of using it, advantages, disadvantages, etc.
- Must be aware and prepare for each and every word in your resume
- Should have high knowledge of OOPS, DBMS, and OS
- Should have at least solved more number medium questions in Competitive coding. (Standard questions are compulsory)
- Know about the company before applying