Wells Fargo Compensation Consultant Interview Questions and Answers

Q1. OOPS Concepts of Java
Ans. 
OOPS Concepts of Java include Inheritance, Polymorphism, Encapsulation, and Abstraction.
• Inheritance allows a class to inherit properties and behavior from another class.

• Polymorphism allows objects to be treated as instances of their parent class.

• Encapsulation hides the internal state of an object and only allows access through methods.

• Abstraction focuses on the essential qualities of an object rather than specific deta
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Q2. Collections Hierarchy in Java
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Collections hierarchy in Java includes interfaces like List, Set, Map and their implementations like ArrayList, HashSet, HashMap.
• Java collections framework provides interfaces like List, Set, Map

• List interface allows duplicate elements and maintains insertion order, examples are ArrayList, LinkedList

• Set interface does not allow duplicate elements, examples are HashSet, TreeSet

• Map interface stores key-value pairs, examp
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Three sections (minimum two to be completed)-Aptitude, Case Solving and Machine Learning.

What do you know about Amex?

First case - you have data about the users of IRCTC app - login time, usage time, clicks, services, demographics etc.

IRCTC wants to launch air tickets booking service on the app and for this they will first show a pop up advertisement to inform their existing users about this service. Tell the parameters or criteria's to clean the data to come up with the target group to whom they will show this ad and are guaranteed to use this new service.

You have mentioned photography as your hobby. I know there is already a photography club in the campus but suppose you want to come up with a new but niche club only for select users who have high experience.

Suppose you have a genie, who can get you any database from any source which could be of help to you. With those data points overlapping over one another, you will eventually come up with a new data of users who are most likely to join your club. Tell me from what sort and type of data you will ask him to fetch and why? What information are you exactly searching for through those?

Q1. You're from Faridabad? So I want you to tell me the number of autorickshaws running in Faridabad in a day.
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Q2. So now you have come up with the supply of autorickshaws. Now tell me what is the actual demand of these autorickshaws and see if the number is matching with supply or not. Had it been a different product,...read more
Ans. 
To determine if supply of autorickshaws matches demand, we need to conduct market research and analyze data. Approach for a different product would depend on the nature of the product.
• Conduct market research to determine the demand for autorickshaws

• Analyze data to compare demand with supply

• If demand is higher than supply, increase production or import more autorickshaws

• If demand is lower than supply, decrease productio...read more
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Q1. Tell me about yourself.
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I am a highly experienced consultant with a strong background in problem-solving and strategic planning.
• Over 10 years of experience in consulting roles

• Expertise in developing and implementing effective strategies

• Proven track record of delivering successful projects

• Strong analytical and problem-solving skills

• Excellent communication and interpersonal skills

• Ability to work well in cross-functional teams

• Experience in vario...read more
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Q2. Job description, daily routine,
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Q1. Self introduction
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Q2. Strengths and weakness
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Q3. What is your long term goal
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Q1. Profile summary
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Q2. Previous experience
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Q3. Capital markets
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Q4. Financial instruments
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Q5. What are the challenges you faced in previous job
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Q6. Any appreciations or achievements in previous job?
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Tell me about yourself.
[Please note that I stands for Interviewer and C stands for Candidate.

C- Good evening, Sir. My name is Dhanushmanth and I come from a town called Palvancha in Telangana. Its specialty is that it hosts multiple industries such as a thermal power plant, spong iron unit, heavy water plant etc. Its unique standpoint is that it is very nearby to the place where according to hindu mythology, Lord Ram spent his days of exile. This lead to inculcation of not just scientific temper but also philosophical sense in me.

I was always curious as to how so many industrial units come together to create a universe that is much greater than their sum total. My parents were teachers in Mathematics and Physics.

They had a profund impact on me. My father prodded me to always stay curious and understand how this universe works. My mother on the othered, contributed a lot towards my all round development. She introduced me to the world of Aesop Fables, Jataka Tales, Vikram Betal etc. She used to help me participate in elocution and debating competitions. She made me understand how vital it is to inculcate a habit of reading and besides, underscored the significance of learning lessons for life.

I- Okay, so you are interested in books?

C- Yes, Sir. I am.

I- What are your favorite books?

C- Harry Potter

I- (Chuckles) That's very common book.

C- ( I felt he was overlooking me.) I also like the works of Frederick Beckmann, Mitch Albomm, Sudha Murthy, and Ruskin Bond.

I- : Well, those are some quite contrasting choices.

C- Yes, Sir. They are.

I- Okay, let us do a case. Do you shop online?

C- Yes, Sir. But not very frequently.

I- Where do you shop?

C- Amazon, but mostly for books

I- : Okay, let us do a case around books only. Imagine yourself as the Senior Product Manager for 3-5 year old children's books category in Amazon. ( He explained to me the importance of maintaining optimal inventory levels). Tell me the 5 most important data points according to you in order to decide for this and rank them.

C- To begin with, our objective is to find out the 5 most important data points using which we can decide upon the optimal inventory level in
our firm, right?

I- Yes

C- Can you please tell me our operational level? Are we planning to supply to the entire country?

I- yes

C- To decide upon the inventory levels, the key factors we have to see is that whenever there is any demand, we must never have any shortfall and whatever supply we are getting, we must be able to send it out.

Now, if there is excess demand and we are unable to cater to the needs of the customer, we would lose the customer for life. On the other hand, if we have excess supply and less demand, it is us who suffer the loss. To me, the first case is more damaging. So, I would first like to analyze the supply side.

I- Okay, how would you go about it?

C- I have to check about our supply sources. One thing is if we have enough quantity coming from our suppliers such as wholesalers. We have to look if we are sourcing the books of the latest authors in trend.

Once we confirm the availability of source, then transporting it to go down and from go down has to be seen. Then the option of last-mile delivery has to be seen.

I- We have a single go down in Madhya Pradesh. It is in the center of the country so that we can supply it easily to the entire nation. Does your preference remain the same now?

C- No Sir. In that case, we won't have much f a problem with our supply as long as we have enough material coming into our go down which means I have to look at demand an accordingly source the material as well.

C- I have to forecast the demand for the period we want to maintain optimal inventory.

I- Yes, for 6 months.

C- One way for this is to see the demand over the last 18 months. Another can be to analyze the recent activities of customers.

I- How would you do that?

C- We can look at the online behavior of the parents in this category who are the subscribers of Amazon. Also, we can monitor the behavior of customers who have begun to recently search for children related content online.

I- So, what is the data point?

C- Number of customers who are visiting these sites.

I- Yes, this is something I want.

C- I went on to describe some more data points such as how the children's books market is currently operating( market share, growth rate, etc.,) and I began ranking them.

The interviewer was satisfied and he ended the case.

I- Why Amex?

C- I told him about the example of Shop Small initiative by Amex mentioned in the MM-1 Kotler book. According to it, Amex has nudged its customers to shop in the local shops on Saturdays.

They started to give customers incentives for doing so. I said that this not only increased Amex's base by bringing the small shoppers into their network but also denoted a sustainable growth. Apart from that, I mentioned that I attended their PPT and have observed that people who began their careers in Amex are now in positions such as CTO of Uber, etc. I mentioned that since I have the interest to get into policy and administrative roles, that encouraged me to apply for Amex.

I- Did you ever work with data during your undergrad or do you have any experience with analytics or are you even interested in working with data?

C- I explained to him that as a Mining student, I was very interested in understanding the risk of rock failures since it posed a grave threat to the industry. I mentioned that I took courses such as Probability and Statistics, Fuzzy Set theory as part of my curriculum as open elective.

I- Let me give you a problem on Probability. Your section has 27 students. Calculate the probability that no tow people share their birthdays in the same year?

C- I solved it.

Why Amex?

What do you know about Amex?
I answered based on what I heard in PPT. I told him that Amex has three divisions: Global Risk and Credit Banking, Risk and Fraud Analytics, and Digital Marketing Enterprise Analytics.

I mentioned my interest in understanding the risk of an economy and that Amex is one of the best options I have since it provides a bird's eye view of the economy.

So you are interested in risk analytics?
Yes, Sir.

Let me give you a case on risk analytics. You have 1000 customers who have not been paying their bills. They are called delinquent customers. Now, there are 5 action plans:

1. Do nothing because you trust them.

2. Do nothing because you cannot extract money from them.

3. Write a letter to them.

4. Make a phone call.

5. Go for a court case.

Tell me how you will categorize these 1000 customers into these five categories.
I restated the objective and gave him a step by step plan as to how we can determine who we can trust and on whom we have to take immediate action.

I asked him if we have the credit history of these customers with us. The interviewer said yes. Then I said we could look into that and see if their transaction pattern has seen a recent spike. I also mentioned that we could check if there is any geographic, demographic, work-related commonality among these 1000 customers.

I also suggested checking the details of the shops they are shopping in since if there is a common shop, it could be possible that they are swiping the card there and cartelling with the shopkeeper to steal money.

Later I also suggested using CIBIl data. Overall he saw my approach to the case and appeared to be satisfied. In between the case, he used to go out of the room giving me 2-3 minutes. He told me to wait outside so that his colleague could tell me the result.

Phycometric test in round 1

Q1. CompletableFuture VS Future
Ans. 
CompletableFuture is an enhanced version of Future in Java that provides more flexibility and functionality.
• CompletableFuture is part of the Java 8 concurrency framework.

• It allows chaining of multiple asynchronous operations.

• CompletableFuture can be explicitly completed or cancelled.

• It supports callbacks and combinators for handling completion.

• Future is a basic interface for representing the result of an asynchronous c...read more
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Q2. ConcurrentHashmap
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Q3. Composition Vs inheritance
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Composition is a design principle where objects are composed of other objects, while inheritance is a mechanism where objects inherit properties and behaviors from a parent object.
• Composition promotes code reusability and flexibility by allowing objects to be composed of other objects.

• Inheritance allows objects to inherit properties and behaviors from a parent object, promoting code reuse.

• Composition is more flexible t...read more
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Q4. Spring boot, microservices, Design patterns
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