Top 50 System Design Interview Questions for 2024

System design interviews have become increasingly common in technical interviews, especially for roles that involve building scalable and robust software systems. These interviews assess a candidate's ability to design and architect complex systems to solve real-world problems effectively. To help you prepare for system design interviews in 2024, we've compiled a comprehensive list of the top 50 system design interview questions.

Design a URL shortening service like Bitly.
Design a scalable chat application like WhatsApp.
Design a content delivery network (CDN) like Cloudflare.
Design a distributed key-value store like Redis.
Design a social media platform like Facebook or Twitter.
Design an online marketplace like Amazon or eBay.
Design a ride-sharing service like Uber or Lyft.
Design a recommendation system like Netflix or Spotify.
Design a search engine like Google or Bing.
Design a file storage and sharing service like Dropbox or Google Drive.
Design a video streaming service like YouTube or Netflix.
Design a job scheduling system like Cron.
Design an e-commerce checkout system.
Design a multiplayer online game server architecture.
Design a real-time analytics system for web traffic.
Design a stock trading system.
Design a hotel booking system.
Design a food delivery service like Uber Eats or DoorDash.
Design a content management system (CMS) like WordPress or Drupal.
Design a ticket booking system for events or movies.
Design a distributed messaging system like Kafka or RabbitMQ.
Design a cloud-based storage service like Amazon S3 or Google Cloud Storage.
Design a recommendation engine for e-commerce products.
Design a collaborative document editing system like Google Docs.
Design an online banking system.
Design a system for real-time tracking of delivery vehicles.
Design a system for managing IoT (Internet of Things) devices.
Design a music streaming service like Spotify or Apple Music.
Design a system for processing and analyzing big data.
Design an email service like Gmail or Outlook.
Design a content delivery platform for streaming video games.
Design a system for online ticket reservation for airlines.
Design a distributed cache system like Memcached or Redis.
Design a system for detecting and preventing fraudulent transactions.
Design a recommendation engine for job search platforms.
Design a system for managing and scheduling appointments.
Design a social networking platform for professionals like LinkedIn.
Design a system for online education and course management.
Design a real-time collaborative coding platform like GitHub or GitLab.
Design a system for managing inventory in a warehouse.
Design a system for tracking and managing fleet vehicles.
Design a system for real-time monitoring of network traffic.
Design a system for managing and distributing digital assets.
Design a system for handling and processing payments.
Design a system for online auctions like eBay.
Design a recommendation engine for news articles or blogs.
Design a system for booking appointments with healthcare providers.
Design a system for managing and organizing personal finances.
Design a system for managing and analyzing social media data.
Design a system for online customer support and ticketing.

Conclusion

System design interviews can be challenging, requiring a deep understanding of distributed systems, scalability, fault tolerance, and various design principles. By familiarizing yourself with these top 50 system design interview questions, you'll be better prepared to tackle interview scenarios and demonstrate your ability to design complex systems effectively. Remember to practice designing systems, discuss trade-offs, and consider scalability, reliability, and performance aspects in your solutions. Good luck with your system design interviews in 2024!