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Wells Fargo Senior Software Engineer Interview Questions and Answers
28 Interview questions
Millions of requests can be effectively managed through load balancing, caching, and scaling.
Implementing load balancing to distribute requests evenly across multiple servers
Utilizing caching mechanisms to store frequently accessed data and reduce response times
Scaling infrastructure horizontally by adding more servers to handle increased traffic
Using content delivery networks (CDNs) to cache and deliver content c...
Solve a coding problem involving array manipulation and algorithm design.
Understand the problem requirements clearly.
Break down the problem into smaller parts.
Consider edge cases and constraints.
Optimize for time and space complexity.
Test your solution with various inputs.
Faced various challenges in software development, including tight deadlines and team dynamics, which I overcame through collaboration and planning.
Tight deadlines: Implemented Agile methodologies to improve team efficiency and prioritize tasks effectively.
Technical debt: Conducted regular code reviews and refactoring sessions to maintain code quality and reduce future issues.
Team dynamics: Facilitated open communi...
I chose Wells Fargo for its commitment to innovation, strong values, and opportunities for professional growth.
Wells Fargo's focus on technology and innovation aligns with my passion for developing cutting-edge solutions.
The company's strong emphasis on diversity and inclusion resonates with my values and desire to work in a collaborative environment.
Wells Fargo offers robust career development programs, which I f...
Debugging in production requires careful strategies to minimize impact while identifying issues effectively.
Use logging: Implement detailed logging to capture errors and system behavior without affecting performance. Example: Log error stack traces.
Monitor performance: Utilize APM (Application Performance Management) tools to track application metrics and identify bottlenecks.
Feature flags: Deploy new features beh...
Promises are objects representing the eventual completion or failure of an asynchronous operation.
Promises are used to handle asynchronous operations in JavaScript.
They can be in one of three states: pending, fulfilled, or rejected.
Promises can be chained using .then() to handle success and failure.
They help avoid callback hell and make code more readable and maintainable.
Concurrent hashmap is used for thread-safe operations in a multi-threaded environment.
Concurrent hashmap allows multiple threads to read and write to the map concurrently without causing data corruption.
It is useful in scenarios where multiple threads need to access and update a shared hashmap.
Example: Implementing a cache system where multiple threads can read and write data concurrently.
To configure 2 databases in Spring Boot, you can use multiple DataSource beans and specify them in application.properties.
Define multiple DataSource beans in your configuration class
Use @Primary annotation to specify the primary DataSource
Use @Qualifier annotation to specify the secondary DataSource
Configure the properties for each DataSource in application.properties
Using Java streams API may impact performance depending on how it is implemented.
Performance impact can vary based on the size of the data being processed.
Improper use of streams can lead to unnecessary overhead and decreased performance.
Parallel streams can improve performance for large datasets by utilizing multiple threads.
Careful consideration of stream operations and data size is important for optimizing perf...
Spring Boot application startup involves auto-configuration, component scanning, and dependency injection.
Spring Boot uses embedded Tomcat, Jetty, or Undertow server for running the application.
Auto-configuration automatically configures the application based on dependencies and properties.
Component scanning scans the project for components like controllers, services, and repositories.
Dependency injection injects ...
Wells Fargo Senior Software Engineer Interview Experiences
44 interviews found
Anonymous
Selected
I applied via LinkedIn and was interviewed in Oct 2024. There were 5 interview rounds.
Test was for Web Development - React
75min test
3 Questions
1 Coding Question
2 Scenario based questions
(2 Questions)
- Q1. React Optimization techniques
- Q2. React Advantages
(1 Question)
- Q1. How to debug in production environment?
- Ans.
Debugging in production requires careful strategies to minimize impact while identifying issues effectively.
Use logging: Implement detailed logging to capture errors and system behavior without affecting performance. Example: Log error stack traces.
Monitor performance: Utilize APM (Application Performance Management) tools to track application metrics and identify bottlenecks.
Feature flags: Deploy new features behind f...
(1 Question)
- Q1. Challenges faced during work and how you overcome?
- Ans.
Faced various challenges in software development, including tight deadlines and team dynamics, which I overcame through collaboration and planning.
Tight deadlines: Implemented Agile methodologies to improve team efficiency and prioritize tasks effectively.
Technical debt: Conducted regular code reviews and refactoring sessions to maintain code quality and reduce future issues.
Team dynamics: Facilitated open communicatio...
(1 Question)
- Q1. Why you choose Wells fargo over other offers?
- Ans.
I chose Wells Fargo for its commitment to innovation, strong values, and opportunities for professional growth.
Wells Fargo's focus on technology and innovation aligns with my passion for developing cutting-edge solutions.
The company's strong emphasis on diversity and inclusion resonates with my values and desire to work in a collaborative environment.
Wells Fargo offers robust career development programs, which I find e...
Selected
I applied via Job Portal and was interviewed in Oct 2024. There were 3 interview rounds.
Coding test was average
(4 Questions)
- Q1. Core java question
- Q2. Design patterns questions
- Q3. Spring basic question
- Q4. Case study question
(1 Question)
- Q1. Salary expectation
I applied via Naukri.com and was interviewed in Aug 2024. There was 1 interview round.
(2 Questions)
- Q1. Explain promises
- Ans.
Promises are objects representing the eventual completion or failure of an asynchronous operation.
Promises are used to handle asynchronous operations in JavaScript.
They can be in one of three states: pending, fulfilled, or rejected.
Promises can be chained using .then() to handle success and failure.
They help avoid callback hell and make code more readable and maintainable.
- Q2. Usestate useref usecallback
Skills evaluated in this interview
I applied via Referral and was interviewed in Jul 2024. There were 2 interview rounds.
(2 Questions)
- Q1. IOS basics and fundamentals
- Q2. Combine basics and use cases
(1 Question)
- Q1. Encryption on iOS
- Ans.
Encryption on iOS involves using various APIs and libraries to secure data at rest and in transit.
iOS provides built-in encryption APIs like CommonCrypto for data protection.
Use Secure Enclave for storing sensitive data like passwords and keys.
Implement TLS/SSL for secure communication over network.
Consider using third-party libraries like CryptoSwift for additional encryption functionalities.
Skills evaluated in this interview
(1 Question)
- Q1. Coding and optimization
(1 Question)
- Q1. Coding and optimization
(1 Question)
- Q1. Salary and employees policy
(1 Question)
- Q1. Coding and optimization
(1 Question)
- Q1. Coding and optimization
(1 Question)
- Q1. Salary and employees policy
Srinath Anantharajan
(1 Question)
- Q1. Questions on Full stack(Java and Angular)
(1 Question)
- Q1. Process, Design related questions
(1 Question)
- Q1. Salary discussion, Benefits explanation
Selected
I appeared for an interview in Aug 2024.
(2 Questions)
- Q1. Questions on jsp and unit tests
- Q2. How can millions of requests be effectively managed?
- Ans.
Millions of requests can be effectively managed through load balancing, caching, and scaling.
Implementing load balancing to distribute requests evenly across multiple servers
Utilizing caching mechanisms to store frequently accessed data and reduce response times
Scaling infrastructure horizontally by adding more servers to handle increased traffic
Using content delivery networks (CDNs) to cache and deliver content closer...
Kafka can be used as a solution.
(2 Questions)
- Q1. Salary discussion
- Q2. Notice period negotiations
Interview Preparation Tips
Sneha Shrigon
(2 Questions)
- Q1. Explain how spring boot application startup works in detail
- Ans.
Spring Boot application startup involves auto-configuration, component scanning, and dependency injection.
Spring Boot uses embedded Tomcat, Jetty, or Undertow server for running the application.
Auto-configuration automatically configures the application based on dependencies and properties.
Component scanning scans the project for components like controllers, services, and repositories.
Dependency injection injects depen...
- Q2. When using java streams API, will the performance get impacted?
- Ans.
Using Java streams API may impact performance depending on how it is implemented.
Performance impact can vary based on the size of the data being processed.
Improper use of streams can lead to unnecessary overhead and decreased performance.
Parallel streams can improve performance for large datasets by utilizing multiple threads.
Careful consideration of stream operations and data size is important for optimizing performan...
Skills evaluated in this interview
(1 Question)
- Q1. Questions on java; DB and cloud
(1 Question)
- Q1. Questions on Microservices, java and cloud
(2 Questions)
- Q1. How to configure 2 data base in spring boot
- Ans.
To configure 2 databases in Spring Boot, you can use multiple DataSource beans and specify them in application.properties.
Define multiple DataSource beans in your configuration class
Use @Primary annotation to specify the primary DataSource
Use @Qualifier annotation to specify the secondary DataSource
Configure the properties for each DataSource in application.properties
- Q2. Concurrent hashmap use case
- Ans.
Concurrent hashmap is used for thread-safe operations in a multi-threaded environment.
Concurrent hashmap allows multiple threads to read and write to the map concurrently without causing data corruption.
It is useful in scenarios where multiple threads need to access and update a shared hashmap.
Example: Implementing a cache system where multiple threads can read and write data concurrently.
Skills evaluated in this interview
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Wells Fargo Interview FAQs
Some of the top questions asked at the Wells Fargo Senior Software Engineer interview -
The duration of Wells Fargo Senior Software Engineer interview process can vary, but typically it takes about less than 2 weeks to complete.
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