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

1. System Design

Question: Describe how you would design a highly scalable and efficient system to handle billions of daily active users?

Question: Can you explain how you would design the architecture of a distributed database system?

Question: If you were asked to design a system to handle real-time updates for a global social media application, what considerations would you factor in?

2. Problem Solving

Question: Describe a complex technical problem that you had to solve recently. Can you walk us through your thought process?

Question: Can you explain how you would troubleshoot a service that has suddenly started experiencing high latency?

Question: How would you go about diagnosing and fixing a memory leak in a large codebase?

3. Scalability and Performance

Question: How would you ensure that a new feature you're developing will scale to support millions of users without affecting the performance of the system?

Question: What strategies would you use to optimize the performance of a high-traffic website?

Question: Can you share some strategies for reducing the server response time in a web application?

4. Security

Question: Explain how you would design a secure user authentication system.

Question: What steps would you take to ensure that a new application is secure from common web vulnerabilities?

Question: Can you discuss some strategies for securing user data in a large-scale application?

5. Data Management

Question: How would you design a data model for a new feature that needs to support complex queries and high volumes of data?

Question: What factors would you consider when deciding whether to use a SQL or NoSQL database for a new application?

Question: Can you describe a situation where you had to design a data migration strategy for a large-scale application?

6. Product Development

Question: Can you describe how you would approach developing a new feature from scratch? What steps would you take to ensure it meets user needs and business goals?

Question: How would you handle a situation where a key stakeholder is not happy with a feature you've developed?

Question: Can you describe a situation where you had to make a critical decision about the direction of a product or feature you were working on?

7. Project Management

Question: Can you share an example of a project that you managed from inception to completion? What challenges did you face and how did you overcome them?

Question: How do you prioritize tasks and projects when you have multiple important things to work on?

Question: Can you describe a situation where a project you were working on went off track? How did you handle it?

8. Team Collaboration

Question: Can you describe a situation where you had to work closely with a team to deliver a complex project?

Question: How do you handle disagreements or conflicts within your team, especially when it comes to technical decisions?

Question: Can you share an example where you had to communicate a complex technical concept to non-technical stakeholders?

9. Testing and Quality Assurance

Question: How do you ensure the quality of your code before it is deployed to production?

Question: Can you share your approach towards automating tests for a complex system?

Question: How do you handle bugs that are found in production? Can you walk us through your process?

10. Continuous Improvement

Question: Can you share an example where you received feedback on your work and how you used it to improve?

Question: How do you keep up-to-date with the latest engineering practices and technologies?

Question: Can you share a situation where you identified a problem in your current processes and implemented a solution to improve it?