Microsoft System Design Interview Questions for Software Developer in 2025. 1. Design a Content Delivery Network (CDN) 2. Design a Code Collaboration Platform 3. Design a URL Shortening Service 4. Design a Traffic Control System 5. Design a Search Typeahead System 6. Design a Web Crawler 7. Design an Elevator System 8. Design a Clustered Caching System 9. Design a Train Search Functionality for IRCTC 10. Analyze Image Quality from a URL 11. Design a Ridesharing Platform like Uber 12. Design an LRU Cache 13. Design a Chat System for Amazon Returns 14. Design a Modular Snake and Ladder Game 15. Design Yelp-like Review System 16. Design a WhatsApp-like Messaging Service 17. Class Diagram for a Chess Board Game