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

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🍔🧠 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 Google Handles Billions of Daily Auth Permissions

PLUS: Microsoft's Linux Drama 🐧, Scale To 10M Users Guide 📊, Microservices Simply Explained 🔍

Feb 2, 2026

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9 min read

🍔🧠 How OpenAI Scaled PostgreSQL to 800M ChatGPT Users

PLUS: jQuery 4.0 🆕, HDFS Scaling Secrets ⚡, Napkin Math Engineering 🧮

Jan 26, 2026

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10 min read

🍔🧠 Why Notion Had to Build A Forest for Offline Mode

PLUS: Google's $5B Gemini Apple Deal 💰, AI Handbook For Production 📘, Must-Know Cybersecurity Guide 🛡️

Jan 19, 2026

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9 min read

🍔🧠 How Google's TPU Architecture Delivers 7.4 TB/s

PLUS: 14 Years At Google 🌟, Software Testing Essentials 🧪, Load Balancer Internals ⚡

Jan 12, 2026

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9 min read

🍔🧠 How Meta's GEM AI Buffed 5% Ad Conversions

PLUS: OpenAI's Record-Breaking Salaries 🤑, Building Internal AI Agents 🤖, Logging Best Practices Guide 📝

Jan 5, 2026

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12 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 Google Handles Billions of Daily Auth Permissions

🍔🧠 How OpenAI Scaled PostgreSQL to 800M ChatGPT Users

🍔🧠 Why Notion Had to Build A Forest for Offline Mode

🍔🧠 How Google's TPU Architecture Delivers 7.4 TB/s

🍔🧠 How Meta's GEM AI Buffed 5% Ad Conversions

Hungry Minds 🍔🧠