System Design Interview Questions & Notes

Top 50 System Design Interview Questions

This post by Aman Views provides a comprehensive list of topics frequently covered in system design interviews. It also offers a way to obtain handwritten notes.

Key Topics Covered:

• Distributed Systems
• Scalability & Load Balancing
• Caching & CDN
• DNS & API Gateway
• SQL vs NoSQL
• Database Sharding & Replication
• CAP Theorem
• Kafka & Message Queues
• Monolith vs Microservices
• Transactions & ACID
• Idempotency & Distributed Locks
• Consistency Models
• Service Discovery & WebSockets
• Observability
• Bloom Filters
• And much more...

How to Get Notes:

• Comment "PDF" on the post to receive the complete handwritten notes.
• Check the link in bio for access to all handwritten PDF notes.

Call to Action:

• Save this post for interview preparation.
• Share it with friends.
• Follow @aman_views for more handwritten tech notes.

Post Details:

• Author: Aman Views (@aman_views)
• Platform: Instagram
• URL: https://www.instagram.com/p/DbCaV_TiRAH/
• Post Type: Carousel (Sidecar)
• Timestamp: July 21, 2026, 02:11:01 AM IST (based on provided timestamp and inferred timezone)
• Likes: 49
• Comments: 36

Specific Image/Diagrams Covered (in child posts):

• Image 1: General overview of topics.
• Image 2: Possibly related to calendar or crossword puzzles.
• Image 3: Possibly related to calendar or crossword puzzles.
• Image 4: Doodle of diary, crossword puzzle, and text.
• Image 5: Illustration of calendar, crossword puzzle, and text.
• Image 6: Illustration of crossword puzzle and text.
• Image 7: Doodle of diary, crossword puzzle, calendar, and text.
• Image 8: Doodle of diary, crossword puzzle, calendar, and text.
• Image 9: Graphic of a floor plan, calendar, crossword puzzle, and text, including details on "Shortener Requirements" and "Rate Limiter" design.
• Image 10: Doodle of diary, crossword puzzle, calendar, and text.
• Image 11: Poster with text including "COMMENT PDF", "Aman Views", "System Design", "Handwritten Notes", and instructions to check the link in bio.
• Image 12: Image of a poster with text related to system design notes.

Note: The timestamps suggest the post was made on July 21, 2026, around 2:11 AM IST.