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Interview Process   |   Interview Puzzles / Aptitude
Organization : Walmart eCommerce
Position : Software Engineer

Walmart eCommerce Interview Process

I applied at Walmart eCommerce for the post of Software Engineer through an employee referral and was interviewed at Walmart eCommerce. I faced a telephonic interview and five on-site interviews in the hiring process. The overall interview experience was good.

Round 1 - Telephonic Interview
The telephonic interview or screening was the first step and thus it was very basic. I was asked about the basic things about myself and the projects that I had done. After than there were some technical questions asked to me. The interview lasted for about half an hour and when I was able to answer well, the first on-site interview was scheduled.

Round 2 - First On-Site Interview
The first on-site interview focused more on questions related to myself than the technical things. All sort of questions were asked from me. I was also asked about my projects again but this time, I had to give a detailed explanation as there were cross questions too. So basically, they got to know about the shortcomings and the problems that were faced during the projects. Nothing major was asked in this round.

Round 3 - Second On-Site Interview
This round began with some basic technical questions and terms. A few questions on data structures and queries were asked. The interview lasted for about 45 minutes and many questions were asked.
Q1. Implement cache with proper synchronization.

Round 4 - Third On-Site Interview
After I was able to impress the interviewer in the previous round, I was called for my third on-site interview. This interview enhanced the difficulty level a bit. More complex questions were asked. Even a couple of coding problems were given. Some of the questions or problems given to me in this interview:
Q1. Design file system.
Q2. Parse website and replace phone numbers.
Q3. Working of torrent.

Round 5 - Fourth On-Site Interview
This round was also a technical interview with a senior position technical official. More questions were asked and this time the difficulty level was a bit more than average. The interview lasted for more than an hour. I was not able to give answers to all the questions but I was able to make my impression due to which I was selected for the next round. Some of the questions that were asked:
Q1. Given n clusters of k machines, what is the best way to transfer one file to all of them?
Q2. Design traffic signal.
Q3. Design a card game.
Q4. Given heights of buildings, find the water clogged above them if it rains. The width of all the buildings are same and there is no space between two buildings.

Round 6 - Fifth On-Site Interview
This was the HR round and was pretty relaxing. There were some basic behavior related questions like how will you manage to work under extreme pressure. What will I do if I get into a fight with the manager? After all these sort of questions, a few questions were asked based on my resume.

How to crack (get into) Walmart eCommerce Online Interview

There is not much to mention now that I have already explained everything in detail above. The hiring process at Walmart eCommerce is lengthy but keep your patience with you. The company is really good and it is worth waiting for. Even if you are not selected, you will gain a good experience as all the people are highly professional and very talented.

Regarding the preparation, you literally need to prepare everything as the questions can come up from anywhere. But you can focus more on the coding part, database structures, java based questions, queries etc. Also, do prepare for resume-based questions. Such questions will pop up in the telephonic interview as well as the HR interview.

Other than that, just prepare hard and try to give your best shot at it. All the best for your interviews.

Thanks Anmol for sharing the details of your interview.
Send more details and your personal experiences info@gpuzzles.com
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Logical Interview Problem

Jonathan has three boxes containing milk chocolates and dark chocolates. The problem is that all of them have been labeled incorrectly as follows.
Box1: Dark Chocolates
Box2: Milk Chocolates
Box3: Dark Chocolates and Milk Chocolates

How will he label all the boxes correctly by just opening one box?

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Box Ball Logic Problem

There are three bags.The first bag has two blue rocks. The second bag has two red rocks. The third bag has a blue and a red rock. All bags are labeled but all labels are wrong.You are allowed to open one bag, pick one rock at random, see its color and put it back into the bag, without seeing the color of the other rock.

How many such operations are necessary to correctly label the bags ?

  • Views : 60k+
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Hard Logic Statement Riddle

There are a hundred statements.
1st person says: At least one of the statements is incorrect.
2nd person says: At least two of the statements is incorrect.
3rd person says: At least three of the statements are incorrect.
4th person says: At least four of the statements are incorrect.
100th person says: At least a hundred of the statements are incorrect.

Now analyze all the statements and find out how many of them are incorrect and how many are true?

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Awesome Probability Logic Riddle

You need to divide 50 marbles(25-red and 25-blue) into two boxes such that the probability of picking red marble is maximized.

Following conditions need to hold true :
1. None of box is empty
2. All the marbles must be in one of two boxes.

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Water Measurement Riddle

A barman is having a 12 liters jug full of beer. He needs to divide or split that beer into two equal parts. All he has is two empty jugs of capacity 8 liters and 5 liters.

How will he do it using them?

  • Views : 40k+
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Lateral Thinking Problem

Suppose there is a Christmas tree and four angels are sitting on it amidst the other ornaments. Two of them have black halos and two of them have white halos. No body among them can see above their head. Angel A is sitting on the top branch and can see angels B and C sitting below him. B can see C who is sitting in a branch lower than his. Angel D is at the base of the tree and can't be seen due to the branches in between. Also, he can't see anybody as well.

If they are asked to guess the color of their own halo (they dont know that), who do you think will be able to deduce and speak up first with a right answer?

By Admin
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Measure Water Supply Brain Teaser

You had an infinite supply of water and a 5 ml and 3 ml gallons.

How would you measure exactly 4 ml in least number of steps ?

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Induction Brain Teasers

Three college toppers are summoned by the inspecting faculty. To identify the best from them, the faculty takes them into a room and places one hat on each of their heads. Now all of them can see the hats on other’s heads but can’t see his own. There are two colored hats – green and red.

Now the faculty announces that he had made sure that the competition is extremely fair to all three of them. He also gives them a hint that at least one of them is wearing a red hat. Now the first one who is able to deduce his own hat color will be awarded the most intelligent student of all award. After a few minutes, one of them raises his hand and is able to deduce the color correctly.


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Popular Logical Brain Teaser

A couple had to take shelter in a hotel for they could not proceed their journey in the rain. Having nothing to do at all, they started playing cards. Suddenly there was a short circuit and the lights went off. The husband inverted the position of 15 cards in the deck (52 cards normal deck) and shuffled the deck.

Now he asked his wife to divide the deck into two different piles which may not be equal but both of them should have equal number of cards facing up. There was no source of light in the room and the wife was unable to see the cards.

For a certain amount of time, she thought and then divided the cards in two piles. To the husband’s astonishment, both of the piles had equal number of cards facing up.

How did she do it?

  • Views : 60k+
  • Sol Viewed : 20k+

Tricky Iq Question

In a jar, there are some orange candies and some strawberry candies. You pick up two candies at a time randomly. If the two candies are of same flavor, you throw them away and put a strawberry candy inside. If they are of opposite flavors, you throw them away and put an orange candy inside.

In such manner, you will be reducing the candies in the jar one at a time and will eventually be left with only one candy in the jar.

If you are told about the respective number of orange and strawberry candies at the outset, will it be feasible for you to predict the flavor of the final remaining candy ?

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