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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🍔🧠 All the Distributed Systems Failures in 1 Email

PLUS: SWE job market 2026 👨‍💻, Visual debugging for ML ⚡, S-tier demo framework 👨‍💻

Jun 1, 2026

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5 min read

🍔🧠 Airbnb's Graph Was So Slow They Rewrote the Engine

PLUS: Vector database deep dive 👨‍💻, Avoiding AI code slop 🤖, DoorDash clusterless ML feature store ⚡

May 25, 2026

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5 min read

🍔🧠 Why the F*ck is Discord Still Using Elixir

PLUS: AI as Netflix model 📊, Spotify NLI via Claude 🎵, Subagent patterns 2026 🤖

May 18, 2026

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5 min read

🍔🧠 Zero Downtime: How Yelp Upgraded 1000+ Cassandra Nodes (No Rollback)

PLUS: OpenAI phone by 2027 📱, Shadow testing Flink 👨‍💻, Computer use 45x expensive 💰

May 11, 2026

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5 min read

🍔🧠 How Amazon Uses LLM for Product Recommendation

PLUS: How Shazam Works 🎼 , Agent Harness 🧇, Vercel Breach 🔥

May 4, 2026

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6 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

🍔🧠 All the Distributed Systems Failures in 1 Email

🍔🧠 Airbnb's Graph Was So Slow They Rewrote the Engine

🍔🧠 Why the F*ck is Discord Still Using Elixir

🍔🧠 Zero Downtime: How Yelp Upgraded 1000+ Cassandra Nodes (No Rollback)

🍔🧠 How Amazon Uses LLM for Product Recommendation

Hungry Minds 🍔🧠