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System Design Nuggets

Arslan Ahmad
Hundreds of paid subscribers

Daily deep dives into system design & modern architecture covering distributed systems, databases, caching, sharding, message queues, and more. Clear. Practical. FAANG-level insights.

Platform
Substack
PricingFreemiumPublishesDaily
Issues533Founded10 months agoLast Issue42 hours ago
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Latest Issues

Stop Just Drawing Kafka: Message Queues Explained for System Design Interviews

The Message Queue Guide That Covers What Tutorials May Skip: Delivery Guarantees, Ordering, Backpressure, Consumer Groups, and the Decisions That Actually Matter at Scale

There is a moment in almost every system design interview where the...

42 hours ago
6
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The Beginner’s System Design Interview Roadmap: 12 Short Lessons

Welcome to the Starter Kit

System design is one of those subjects that feels overwhelming at first. You search for resources and find articles full of jargon, diagrams with dozens of components, and advice aimed at engineers with years...

3 days ago
16

Stop Saying “We’ll Shard It”: The System Design Interview Guide to Sharding

Twelve Diagrams That Cover Every Sharding Concept From Basic Partitioning to Consistent Hashing, Hot Key Mitigation, and Real-World Sharding Patterns Used at Scale

What This Blog Will Cover

4 days ago
16
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[Week 3]: API Design for System Design Interviews: REST, GraphQL, gRPC, and How to Choose

What This Blog Will Cover

  • Why API design matters in interviews

  • REST explained in depth

  • GraphQL explained in depth

  • gRPC explained in depth

  • A clear decision framework

This is the third post in the eight-week F...

5 days ago
22
2

Message Queues in System Design Interviews: 12 Diagrams You Should Be Able to Draw

Every Message Queue Concept You Need to Know, Explained Through Twelve Diagrams That Show How Queues Actually Work and What Goes Wrong When They Do Not

In a system design interview, adding a message queue to a design is easy. Drawing a box...

6 days ago
15
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  • Arslan Ahmad

    Founder DesignGurus.io | Author of 'Grokking' Courses on System Design

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