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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🍔🧠 Why Interaction Models Are The Next AI Frontier

PLUS: Reddit's anti-spam internals 👨‍💻, p99 0ms autocomplete ⚡, YouTube leaks creators' videos 🚨

Jul 6, 2026

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4 min read

🍔🧠 This DoorDash Engineer Built AI Agents That Run for Days

PLUS: OpenAI's custom chip 🤖, Netflix Cassandra 📊, CQRS deep dive ⚡

Jun 29, 2026

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5 min read

🍔🧠 Shopify Said: MySQL > Redis

PLUS: SpaceX buys Cursor for $60B 💰, AWS Blocks framework launch ⚡, Terminal optimization tips 👨‍💻

Jun 22, 2026

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5 min read

🍔🧠 Palantir Built an ElasticSearch Indexing Machine

PLUS: Claude skills guide 👨‍💻, Call queue architecture ⚡, when NOT to use Kafka 👨‍💻

Jun 15, 2026

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4 min read

🍔🧠 How Stripe Runs a 50M lines Monorepo With 0 Pain

PLUS: Index design fundamentals 👨‍💻, KV performance tool ⚡, Null bugs cost billions 💰

Jun 8, 2026

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4 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

🍔🧠 Why Interaction Models Are The Next AI Frontier

🍔🧠 This DoorDash Engineer Built AI Agents That Run for Days

🍔🧠 Shopify Said: MySQL > Redis

🍔🧠 Palantir Built an ElasticSearch Indexing Machine

🍔🧠 How Stripe Runs a 50M lines Monorepo With 0 Pain

Hungry Minds 🍔🧠