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Wells Fargo Senior Software Engineer L3 Interview Questions, Process, and Tips

Updated 14 Nov 2024

Wells Fargo Senior Software Engineer L3 Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. What is closure in js?
  • Ans. 

    Closure in JavaScript is the combination of a function and the lexical environment within which that function was declared.

    • Closure allows a function to access variables from its outer scope even after the outer function has finished executing.

    • It is created whenever a function is defined within another function.

    • Example: function outerFunction() { let outerVar = 'I am outer'; function innerFunction() { console.log(outerV...

  • Answered by AI
  • Q2. What is event loop in js?
  • Ans. 

    Event loop in JavaScript is responsible for managing asynchronous operations by executing callback functions in a non-blocking way.

    • Event loop is a mechanism that allows JavaScript to perform non-blocking I/O operations.

    • It continuously checks the call stack and the callback queue, moving functions from the queue to the stack when the stack is empty.

    • Event loop ensures that JavaScript remains responsive and can handle mul

  • Answered by AI
Round 2 - Technical 

(2 Questions)

  • Q1. Explain the redux work flow?
  • Ans. 

    Redux is a predictable state container for JavaScript apps.

    • Actions are dispatched to the store

    • Reducers specify how the state changes in response to actions

    • Store holds the state of the application

    • Components subscribe to the store to get updates

  • Answered by AI
  • Q2. Explain micro frontend architecture
  • Ans. 

    Micro frontend architecture is an approach to front-end development where a single web application is composed of multiple smaller, independent applications.

    • Each micro frontend is responsible for a specific feature or functionality

    • Micro frontends can be developed, tested, and deployed independently

    • They can be built using different technologies and frameworks

    • Communication between micro frontends can be achieved through ...

  • Answered by AI

Skills evaluated in this interview

Interview questions from similar companies

Interview Questionnaire 

8 Questions

  • Q1. Find a number which occurs odd number of times and all number occurs even number of times
  • Ans. 

    Find an odd occurring number among even occurring numbers.

    • Use XOR operation to cancel out even occurring numbers and get the odd occurring number.

    • Iterate through the array and XOR each element with the result variable.

    • The final result will be the odd occurring number.

  • Answered by AI
  • Q2. Some discussion about my minor project
  • Q3. Spiral order of binary tree and mattrix, print it
  • Ans. 

    Print the spiral order of a binary tree and matrix.

    • For binary tree, use level order traversal and alternate direction for each level.

    • For matrix, use four pointers to traverse in spiral order.

    • Example for binary tree: 1 -> 2 -> 3 -> 4 -> 5 -> 6 -> 7 -> 8 -> 9

    • Example for matrix: 1 2 3 4 -> 8 7 6 5 -> 9 10 11 12 -> 16 15 14 13

  • Answered by AI
  • Q4. Some question about os,dbms
  • Q5. Find pair which have a given sum in a given array
  • Ans. 

    Finding pairs in an array with a given sum.

    • Iterate through the array and for each element, check if the difference between the given sum and the element exists in the array.

    • Use a hash table to store the elements of the array and their indices for faster lookup.

    • If there are multiple pairs with the same sum, return any one of them.

    • If no pair is found, return null or an empty array.

  • Answered by AI
  • Q6. Find total number of k element which have a given avg in a given array in minimum time complexity
  • Ans. 

    Find total number of k element with given avg in an array in minimum time complexity.

    • Use sliding window technique to traverse the array in O(n) time complexity.

    • Maintain a sum variable to keep track of the sum of elements in the window.

    • If the sum of elements in the window is equal to k times the given avg, increment the count.

    • Move the window by subtracting the first element and adding the next element in the array.

  • Answered by AI
  • Q7. Print all elements which in not boundary element in a given binary tree
  • Ans. 

    Printing non-boundary elements of a binary tree

    • Traverse the tree in any order (preorder, inorder, postorder)

    • Check if the current node is not a boundary node (not the first or last node in its level)

    • If it is not a boundary node, print its value

    • Recursively traverse its left and right subtrees

  • Answered by AI
  • Q8. Then some question about process synchronisation,error vs exception,and then 2-3 hr question

Interview Preparation Tips

Round: Test
Experience: practice codes on paper
Tips:

Round: Technical Interview
Experience: very good
Tips: please try to explain each and every question in detail

Round: Technical Interview
Experience: my hr round is not taken by them,and some of face 3rd round ,which is HR
Tips: please prepare all types of problem from geeksforgeeks

Skill Tips: please try to understand every problem from geeksforgeeks
Skills: ds
College Name: NIT Bhopal
Motivation: best work culture,and a lots of learning opportunity in this company,and in every 6 month there is a appraisal

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. Asked many Dbsa questions. You need to be thorough about the joins in the databases.

Interview Preparation Tips

Round: Test
Experience: Practice questions on Indiabix.

Round: Technical Interview
Experience: Operating Systems basics, Dbsa basics

General Tips: 1: Be Confident.
2: Keep Smiling.
3: Do not be Panic.
4: Remember they are here to hire you but not reject you.
5: Do not loose hope.
6: Believe at yourself.
7: Start preparing early.
8: Do demo interviews with your friend.
Skill Tips: Make sure you do a course on object oriented programming
Skills: C, Sql, Java
College Name: BITS PILANI
Motivation: Every body joins a comapny for making a software or earning money. But I was always motivated to MAKE MONEY. I have taken this job because they have very extensive work in Share Market and they have lots of MBA from IIM's, Lots of CAs, CS. Thats why i have choosen Edelweiss. I have rejected epic System USA for this profile.

I applied via Naukri.com and was interviewed before Apr 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. 1. Explain SCD Type 2 Implementation in Informatica
  • Ans. 

    SCD Type 2 is a technique used to track historical changes in data over time in a data warehouse.

    • SCD Type 2 maintains a separate row for each change in data, with a start and end date.

    • It requires a surrogate key to uniquely identify each row.

    • Informatica provides a built-in SCD Type 2 transformation to implement this technique.

    • Example: tracking changes in customer addresses over time.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Kindly focus on basic BI terminologies, common to trivial scenarios and introductory information on latest trending tools and technologies.

Skills evaluated in this interview

I applied via Campus Placement and was interviewed before Nov 2021. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Aptitude Test 

Moderate level aptitude with basics

Round 3 - Coding Test 

Moderate level data structure questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident and what what u speak because that is most important

Interview Questionnaire 

2 Questions

  • Q1. Basic javascript.. closures,hoisting, es6 features etc
  • Q2. Prototype in JavaScript
  • Ans. 

    Prototyping in JavaScript allows for quick and easy creation of new objects and functions.

    • Prototyping allows for inheritance and sharing of properties and methods.

    • New objects can be created using the 'new' keyword and the prototype of an existing object.

    • Functions can also be prototyped to add new methods or properties.

    • Example: function Person(name) { this.name = name; } Person.prototype.greet = function() { console.log...

  • Answered by AI

Skills evaluated in this interview

I applied via Campus Placement and was interviewed before Sep 2020. There were 5 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Few DSA questions, questions about my projects and my resume. Also, since I specialise in python, if I could create an API using it. HR questions, hobbies, leadership experience...

Interview Preparation Tips

Interview preparation tips for other job seekers - Understanding the culture of J.P. Morgan Chase played a big role in passing the interview. The coding questions were easy/medium level. The interviewers were very friendly.

Interview Questionnaire 

1 Question

  • Q1. Frequency of each word ina sentence
  • Ans. 

    To find the frequency of each word in a sentence.

    • Split the sentence into words

    • Create a dictionary to store word frequency

    • Iterate through the words and update the dictionary

    • Return the dictionary

  • Answered by AI

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Feb 2023. There were 5 interview rounds.

Round 1 - Aptitude Test 

Hacker rank coding round - string and array - medium to hard

Round 2 - Technical 

(1 Question)

  • Q1. DSA Round with a focus on strings and trees questions
Round 3 - Technical 

(2 Questions)

  • Q1. UI coding round
  • Q2. Quesitons on JS, TS, Angular and React
Round 4 - Technical 

(2 Questions)

  • Q1. System Design Round
  • Q2. HLD and LLD for Zomato (Food Delivery App)
Round 5 - HR 

(2 Questions)

  • Q1. Culture Fitment Round
  • Q2. General Techno Managerial Questions
Interview experience
2
Poor
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Hackathon Test with 2 medium level coding question.

Round 2 - Coding Test 

Technical Video Interview- Java concepts mostly related to Java 8, 1 coding program and some db questions were asked.

Round 3 - Technical 

(1 Question)

  • Q1. Questions related to System Design.
Round 4 - Behavioral 

(1 Question)

  • Q1. Questions related to my projects . Some questions related to my current role and responsibilities.

Wells Fargo Interview FAQs

How many rounds are there in Wells Fargo Senior Software Engineer L3 interview?
Wells Fargo interview process usually has 2 rounds. The most common rounds in the Wells Fargo interview process are Technical.
What are the top questions asked in Wells Fargo Senior Software Engineer L3 interview?

Some of the top questions asked at the Wells Fargo Senior Software Engineer L3 interview -

  1. What is event loop in ...read more
  2. What is closure in ...read more
  3. Explain micro frontend architect...read more

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Wells Fargo Senior Software Engineer L3 Interview Process

based on 1 interview

Interview experience

5
  
Excellent
View more
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