Questions that have appeared at Jane Street for an engineering (Case Study) interview.

1. System Architecture

Question: Describe a system you've worked on from an architectural perspective. What were the key components, and how did they interact with each other?

Question: Can you provide an example of a system you've worked on where performance was a critical factor? How did you ensure that the system was able to meet the necessary performance requirements?

2. Problem Solving

Question: Can you discuss a complex technical problem you faced on a previous project and explain how you solved it?

Question: Give an example of a time when you had to troubleshoot a software issue in real time. What steps did you take to identify and address the problem?

3. Data Structures and Algorithms

Question: How would you approach designing a system that needs to handle large amounts of data efficiently?

Question: Describe a time when you had to choose a specific data structure or algorithm to solve a problem. Why did you choose it and how did it perform?

4. Engineering Ethics

Question: Have you ever been in a situation where you disagreed with the way a technical decision was made? How did you handle it?

Question: Can you discuss a time when you had to consider ethical implications in your engineering work? How did these considerations impact your decision-making process?

5. Team Collaboration

Question: Describe an instance where you had to collaborate with others to solve a technical problem. How did you contribute to the team's efforts?

Question: Can you provide an example of a project where you had to balance your individual responsibilities with the overall team's objectives? How did you ensure that the team was successful?