The System Design and AI Brief for Engineers

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🍔🧠 How DoorDash Uses LLMs To Predict 10M+ Customer Grocery Lists

Oct 6, 2025

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11 min read

Weekly Digest

🍔🧠 How Dropbox Built AI Search Using RAG and AI Agent Techniques

Sep 8, 2025

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11 min read

Weekly Digest

🍔🧠 How Uber Eats Handles 2B+ Search Queries Daily (Full Architecture)

Jun 2, 2025

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12 min read

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🍔🧠 How Cloudflare Powers the Internet with Infrastructure as Code

PLUS: Disney Characters Coming To ChatGPT 🎭, DoorDash's 80M Requests 🔄, LinkedIn's Epic Caching Story 🚀

Dec 15, 2025

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11 min read

🧠🍔 Why AI Agents Keep Deleting Prod Databases

This needs to stop

Dec 11, 2025

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9 min read

🍔🧠 How Pinterest Reduced Clickbait With Just 5K Survey Responses

PLUS: OpenAI Is In Code Red 🚨, Deep Dive Into Distributed Systems 🌐, Netflix's Write-Ahead Log Architecture 📝

Dec 8, 2025

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11 min read

🍔🧠 Lyft ran 1000s of ML jobs on Kubernetes. Then they stopped.

PLUS: Twitter System Design 🐦, GraphQL Migration Blueprint 🗺️, OpenAI's Secret Hardware 🔮

Dec 1, 2025

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11 min read

🍔🧠 How Uber Predicts Driver Earnings Using Deep Probabilistic Models

PLUS: How Stock Exchanges Work 🏛️, Tinder's Architecture 🔥, JWT From 0 To Hero 🎓

Nov 24, 2025

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11 min read

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The System Design and AI Brief for Engineers

Trusted by 50,001+ engineers at Meta, Uber, Amazon, and more

🍔🧠 How DoorDash Uses LLMs To Predict 10M+ Customer Grocery Lists

🍔🧠 How Dropbox Built AI Search Using RAG and AI Agent Techniques

🍔🧠 How Uber Eats Handles 2B+ Search Queries Daily (Full Architecture)

Weekly Digest

🍔🧠 How Cloudflare Powers the Internet with Infrastructure as Code

🧠🍔 Why AI Agents Keep Deleting Prod Databases

🍔🧠 How Pinterest Reduced Clickbait With Just 5K Survey Responses

🍔🧠 Lyft ran 1000s of ML jobs on Kubernetes. Then they stopped.

🍔🧠 How Uber Predicts Driver Earnings Using Deep Probabilistic Models

Hungry Minds 🍔🧠