40 questions · from 7 interviews
Wells Fargo interview questions
Every question candidates reported from their Wells Fargo interviews, most frequently asked first. Each links to the write-up it came from, so you can see the round and how it went.
Wells Fargo coding and DSA questions
- 01
Find max salary using Java Streams
Given a list of Employee POJO objects, find the maximum salary using only the Java Stream API.
- 02
Missing Number
Given an array nums containing n distinct numbers in the range [0, n], return the only number in the range that is missing from the array.
Easy · From Wells Fargo | SDE I | Interview Experience | 1+ YoE
- 03
Expressive Words
Sometimes people repeat letters to emphasize a feeling, like 'helloooo' for 'hello'. Given a string S, and an array of words words, determine how many words are 'stretchy' from S. A word is stretchy if it can be formed from S by 'stretching' some characters.
Medium · From Wells Fargo | SDE I | Interview Experience | 1+ YoE
- 04
Compute Square Root
An array-based question on computing the square root of a number.
Easy · From Wells Fargo || Technology Summer Analyst 2026 || On-Campus
- 05
Longest Common Prefix
Find the longest common prefix from a vector/array of strings and return it as a string.
Medium · From Wells Fargo || Technology Summer Analyst 2026 || On-Campus
- 06
Find Euler Path to Visit All Nodes
A graph-based question to find an Euler path such that all nodes are visited.
Hard · From Wells Fargo || Technology Summer Analyst 2026 || On-Campus
- 07
Count Element Frequencies in Array
Count the frequency of elements in a given array.
From Wells Fargo || Technology Summer Analyst 2026 || On-Campus
- 08
Compare Dates
Compare two dates provided in "dd/mm/yyyy" format and identify which one is later.
From Wells Fargo || Technology Summer Analyst 2026 || On-Campus
- 09
HashMap vs Array Performance
Explain what a HashMap is. Discuss if it is faster than an array, and if so, explain why.
From Wells Fargo || Technology Summer Analyst 2026 || On-Campus
- 10
Online Assessment Coding Problem 1
The problem details and solution for the first coding question from the online assessment can be found at the provided GitHub link.
From Wells Fargo Interview Experience for FTE (On-Campus) 2022
- 11
Online Assessment Coding Problem 2
I do not remember the exact question for the second coding problem from the online assessment, but I have tried to explain it in the given GitHub link.
From Wells Fargo Interview Experience for FTE (On-Campus) 2022
- 12
Swap Two Numbers Without Third Variable
I was asked to code and run a solution to swap two numbers without using a third variable.
Easy · From Wells Fargo Interview Experience for FTE (On-Campus) 2022
- 13
Factorial Iterative and Recursive
I was asked to code and run a solution to find the factorial of a given number, implementing both iterative and recursive approaches.
Easy · From Wells Fargo Interview Experience for FTE (On-Campus) 2022
- 14
Pangram Checker
I was asked to code and run a solution that takes a given sentence as input and determines whether it contains all English alphabets (case-insensitive). The sentence may contain lowercase or uppercase letters, numbers, or symbols.
Easy · From Wells Fargo Interview Experience for FTE (On-Campus) 2022
- 15
Valid Parentheses
I was asked a stack-based question focusing on validating parentheses in a given string.
Easy · From Wells Fargo | SDE1
- 16
DFS/BFS Applications and Use Cases
The interviewer asked about the applications of Depth-First Search (DFS) and Breadth-First Search (BFS) algorithms, and when it is appropriate to use one over the other.
Medium · From Wells Fargo | SDE1
- 17
Minimum Spanning Tree (MST) and Algorithms
I was questioned about what a Minimum Spanning Tree (MST) is and the various algorithms used to find an MST in a graph, such as Prim's and Kruskal's.
Medium · From Wells Fargo | SDE1
- 18
Dijkstra's Algorithm Discussion
The discussion revolved around Dijkstra's Algorithm, specifically its principles and applications for finding the shortest paths in a graph.
Medium · From Wells Fargo | SDE1
- 19
Algorithm for Checkmate in Chess
I needed to suggest an algorithm to detect a checkmate condition within a Chess game, building upon the previous design discussion.
Hard · From Wells Fargo | SDE1
Wells Fargo system design questions
- 01
Design Paginated API with Cursor-based Pagination
Design an API that fetches records from a database and displays them on a UI with pagination. The pagination should use a cursor (e.g., the last record's identifier) instead of OFFSET for large tables, and appropriate indexes should be added to support the…
Medium · From Wellsfargo: Senior Software Engineer
- 02
System design for aggregating documents from three services
We have three existing services exposing APIs that return documents. Design a system that calls all three services, aggregates the returned documents, and persists the result to a database for clients. The design must handle end‑to‑end concerns including…
- 03
Database Design and Keys
Design a database and explain various types of keys and their differences.
From Wells Fargo || Technology Summer Analyst 2026 || On-Campus
- 04
Design Chess Game
I was tasked with designing a Chess game, likely focusing on object-oriented design principles, data structures for the board and pieces, and overall game logic.
Hard · From Wells Fargo | SDE1
Wells Fargo behavioural and HR questions
- 01
Team Collaboration Scenario
Behavioral question focusing on experiences and approaches to team collaboration.
From Wells Fargo || Technology Summer Analyst 2026 || On-Campus
- 02
Handling Failure Scenario
Behavioral question focusing on experiences and approaches to handling failure.
From Wells Fargo || Technology Summer Analyst 2026 || On-Campus
- 03
Decision-Making in Critical Scenarios
Behavioral question focusing on experiences and approaches to decision-making in critical scenarios.
From Wells Fargo || Technology Summer Analyst 2026 || On-Campus
- 04
Planning vs. Spontaneous
The interviewer asked whether I consider myself a planning person or a spontaneous person.
From Wells Fargo Interview Experience for FTE (On-Campus) 2022
- 05
Knowledge of Wells Fargo
The interviewer asked what I knew about Wells Fargo as a company.
From Wells Fargo Interview Experience for FTE (On-Campus) 2022
- 06
Future Plans
The interviewer asked about my future plans.
From Wells Fargo Interview Experience for FTE (On-Campus) 2022
- 07
Where do you see yourself in 5 years?
The interviewer asked about my 5-year career aspirations.
From Wells Fargo Interview Experience for FTE (On-Campus) 2022
Wells Fargo other questions
- 01
Kafka Consumer Group and Partition Allocation
Explain what happens when there are 5 consumer instances but only 3 partitions in a Kafka topic. How are the partitions assigned to the consumers?
Medium · From Wellsfargo: Senior Software Engineer
- 02
Database Normalization and Example
The interviewer asked me to explain database normalization, its different types, and then challenged me to come up with a practical example and demonstrate its normalization.
- 03
Employees with Minimum Salary in Each Department
Given an Employees table with EmployeeId, EmployeeName, DepartmentId, and Salary columns, write a SQL query to find the employee(s) who have the minimum salary in each department.
Medium · From Wells Fargo | SDE I | Interview Experience | 1+ YoE
- 04
Database Join Types
Explain different types of Joins in DBMS.
From Wells Fargo || Technology Summer Analyst 2026 || On-Campus
- 05
Write SQL Query for a Scenario
Given a specific scenario, write an appropriate SQL Query.
From Wells Fargo || Technology Summer Analyst 2026 || On-Campus
- 06
Database Indexing Types and Use Cases
Explain different types of indexing in databases and their real-life use cases.
From Wells Fargo || Technology Summer Analyst 2026 || On-Campus
- 07
What is Object-Oriented Programming?
The interviewer asked me to explain what Object-Oriented Programming (OOP) is.
From Wells Fargo Interview Experience for FTE (On-Campus) 2022
- 08
Abstraction vs. Encapsulation
The interviewer asked about the difference between abstraction and encapsulation.
From Wells Fargo Interview Experience for FTE (On-Campus) 2022
- 09
Inheritance and its Types
The interviewer asked me to explain inheritance and its various types.
From Wells Fargo Interview Experience for FTE (On-Campus) 2022
- 10
Process vs. Thread
The interviewer asked about the difference between a process and a thread.
From Wells Fargo Interview Experience for FTE (On-Campus) 2022
Wells Fargo interview questions FAQ
What questions are asked in Wells Fargo interviews?
Candidates reported 40 distinct questions across 7 Wells Fargo interviews. 19 coding and DSA questions, 4 system design questions, 7 behavioural and HR questions, 10 other questions.
How difficult are Wells Fargo interview questions?
Of the questions candidates rated, 35% were easy, 47% medium and 18% hard.