Django Pro-Level: Interview Questions for Experienced Developers

Here are some potential interview questions for an experienced Django developer:

1. How have you used Django’s ORM to optimize database queries in a project?
2. Can you describe a time when you used Django’s caching framework to improve the performance of a web application?
3. How have you implemented file uploads in a Django project?
4. Can you describe a Django project that you worked on where you had to handle a high volume of traffic?
5. How have you used Django’s built-in signals to trigger actions in a project?
6. Can you describe a time when you had to troubleshoot and fix a bug in a Django project?
7. How have you used Django’s built-in form validation and error handling to improve the user experience in a project?
8. Can you describe a Django project that you worked on that involved integrating with a third-party API?
9. How have you used Django’s testing framework to ensure the quality and reliability of a project?
10. Can you describe a time when you had to migrate data from one Django database to another?
11. How have you optimized the performance of a Django application?
12. Can you explain how you have handled security issues such as SQL injection, cross-site scripting (XSS), and cross-site request forgery (CSRF) in a Django project?
13. How have you integrated Django with other technologies, such as databases, caching systems, and message queues?
14. Can you explain how you have used Django’s built-in testing framework and what kind of testing you have done?
15. How have you designed and implemented RESTful APIs using the Django REST framework?
16. How have you handled and implemented internationalization and localization in a Django project?
17. How have you handled file uploads and media in a Django project?
18. Have you ever worked with Django Channels or other async technologies in Django?
19. Could you give an example of how you used Django’s logging system to troubleshoot and debug problems in a production environment?

These questions are designed to gauge the experienced developer’s knowledge and past experience with Django and web development in general. Additionally, the interviewer may ask about the specific challenges and obstacles you faced and how you overcame them, as well as your ability to solve problems and think critically about different web development issues.