Questions that have appeared at WellsFargo for a Software Engineer (Technical) interview.

1. System Design

Question: Can you explain how you would design a large-scale distributed system to handle high traffic?

Question: How would you design a system to efficiently process large amounts of data in real-time?

2. Data Structures and Algorithms

Question: Can you explain the difference between a stack and a queue?

Question: Can you discuss a situation where you'd use a linked list over a dynamic array and why?

3. Software Development Life Cycle

Question: Can you describe your experience with Agile development? What do you see as the advantages and disadvantages?

Question: What steps would you take to move a project from development to production?

4. Databases

Question: Can you explain the difference between SQL and NoSQL databases and discuss situations where you might prefer one over the other?

Question: What is database normalization and why is it important?

5. Testing

Question: Can you explain the different types of software testing and provide an example of when you would use each one?

Question: What is the purpose of a unit test and how often you write and run them in your development process?

6. Version Control

Question: Can you discuss your experience with Git or another version control system? How has it been beneficial in your projects?

Question: What is a merge conflict and how would you handle it?

7. Problem Solving

Question: Can you describe a difficult problem you had to solve in a previous project, and explain how you approached solving it?

Question: Can you explain how you would debug a performance issue in a web application?

8. Security

Question: Can you explain the importance of encryption and how it is used to secure data?

Question: What measures would you take to ensure the security of user data in a web application?

9. Networking

Question: Can you explain the difference between TCP and UDP and in what situations you might use each?

Question: What is a CDN and how does it improve web application performance?

10. Operating Systems

Question: Can you explain the difference between a process and a thread?

Question: What is a deadlock and how would you prevent it?