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How the Google Cloud Outage Crashed the Internet
On June 12, 2025, a significant portion of the internet experienced a sudden outage. What started as intermittent failures on Gmail and Spotify soon…
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EP167: Top 20 AI Concepts You Should Know
Which other AI concept will you add to the list?
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Database Schema Design Simplified: Normalization vs Denormalization
The goal isn't to declare one approach as the winner. It's to understand their mechanics, consequences, and ideal use cases.
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Shopify Tech Stack
Note: This article is written in collaboration with the Shopify engineering team.
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How Lyft Uses ML to Make 100 Million Predictions A Day
In this article, we’ll look at how Lyft built an architecture to accomplish this requirement and the challenges they faced.
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Our New Book, Mobile System Design Interview, Is Now Available
Our new book, Mobile System Design Interview, is available on Amazon!
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EP166: What is Event Sourcing?
The event sourcing paradigm is used to design a system with determinism. This changes the philosophy of normal system designs.
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SQL vs NoSQL: Choosing the Right Database for An Application
In this article, we break down the core database paradigms, such as SQL and NoSQL, along with specialized database types and how developers can choose…
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How Netflix Runs on Java?
Netflix is a masterclass in backend engineering at scale. Behind the seamless playback, tailored recommendations, and cross-device consistency lies an…
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May 2025

EP165: AI Agent versus MCP
Have you used AI Agents or MCP?
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A Deep Dive into HTTP: From HTTP 1 to HTTP 3
In this article, we trace the HTTP journey. From the stateless, text-based simplicity of HTTP/1.1 to the encrypted, multiplexed, and mobile-optimized…
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How Amazon Key Opens 100 Million Doors Every Year
We recently had the wonderful opportunity to sit with Kaushik Mani and Vijay Nagarajan from the Amazon Key team to learn how they built this system and…
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