Wells Fargo Interview Questions, Process, and Tips

Coding test was asked in a live interactive session

Q1. Current projects questions
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Q2. Asynchronous communication design
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Asynchronous communication design involves decoupling components to allow them to operate independently and communicate without blocking each other.
• Decide on the communication protocol (e.g. REST, messaging queues)

• Implement error handling and retries for robustness

• Use callbacks, promises, or async/await for handling asynchronous operations

• Consider scalability and performance implications of asynchronous design
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Q1. Salary discussions
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Q2. What is your future plan
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3 Leetcode Easy-Medium Questions

Q1. Detailed Discussion on Projects written on Resume .
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Q2. SQL Queries and some HR Questions.
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Q1. Questions on concurrency
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Q1. Previous project experience
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Q1. Get the maximum salary of the employee from the employee and department table
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Q2. Explain the data analysis process that you would follow for employee salary table
Ans. 
The data analysis process for an employee salary table involves data cleaning, exploration, visualization, and modeling.
• Start by cleaning the data to remove any duplicates, missing values, or outliers.

• Explore the data by calculating basic statistics like mean, median, and standard deviation.

• Visualize the data using histograms, box plots, or scatter plots to identify patterns or trends.

• Perform statistical modeling to an...read more
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Q3. Explain the challenges you faced in your project
Ans. 
I faced challenges in managing large datasets and ensuring data accuracy in my project.
• Managing large volumes of data from multiple sources

• Ensuring data accuracy and consistency

• Dealing with missing or incomplete data

• Handling data cleaning and preprocessing tasks

• Addressing technical issues with data storage or processing tools
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Q1. What do inherent risk and residual risk
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Inherent risk is the risk level before any actions are taken to mitigate it, while residual risk is the risk level after mitigation efforts.
• Inherent risk is the risk level that exists before any actions are taken to mitigate it

• Residual risk is the risk level that remains after mitigation efforts have been implemented

• Inherent risk is inherent to the activity or situation, while residual risk is what is left over after c...read more
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Q2. What is the RCA
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RCA stands for Root Cause Analysis, a method used to identify the underlying cause of a problem or issue.
• RCA involves investigating and analyzing the factors that contributed to a specific outcome or event.

• It helps in determining what went wrong, why it happened, and how to prevent it from happening again.

• Common techniques used in RCA include 5 Whys, Fishbone Diagram, and Fault Tree Analysis.

• Example: If a product fails...read more
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Logical reasoning ,quantitative aptitude

2 coding questions,one was easy and other was medium to tough level

Q1. Sql basics were asked and asked me to write few sql codes
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Q2. Python codes ,and machine learning concepts
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