The System Design and AI Brief for Engineers

Save 50+ hours/week with deep dives and trends curated from 100+ sources.
We summarize it all in 1 email every Monday.

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

NEWEST

See all

Weekly Digest

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

Oct 6, 2025

•

11 min read

Weekly Digest

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

Sep 8, 2025

•

11 min read

Weekly Digest

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

Jun 2, 2025

•

12 min read

ALL POSTS

Explore other hungry posts.

See all

Weekly Digest

MORE RESOURCES

Tutorials

Templates

LATEST

🍔🧠 Pinterest’s Fix for the Hardest Problem in ML Infra

PLUS: OpenAI agents beat math 🧮, Test techniques for agents ⚡, Postgres survival guide 📖

Sep 14, 2026

•

4 min read

🍔🧠 How OpenAI Built GPT-Live for Low-Latency Voice AI

PLUS: Zero-knowledge proofs ⚡, Design.md agent automation 👨‍💻, System Design Docs 101 📚

Sep 7, 2026

•

4 min read

🍔🧠 How Cloudflare Freed 100TB RAM With 5 Cache Changes

PLUS: Anthropic hardware standard 🤖, Rust state machines 🦀, Agent context compression 💾

Aug 31, 2026

•

4 min read

🍔🧠 How Lovable Cut TTFB 49% After Leaving Next.js

PLUS: Semantic layer at PostHog 🏗️, AliExpress fingerprinting 🔎 , Git serving rebuilt at Datadog 📈

Aug 24, 2026

•

4 min read

🍔🧠 The Weirdest Part of PostHog’s AI Stack Is Just a Markdown File

PLUS: X ranking algorithm public 👁️, Curl performance tuning ⚡, RAG dispatcher loops 🔄

Aug 17, 2026

•

5 min read

COMMUNITY

Connect on LinkedIn

Follow on Threads

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

🍔🧠 Pinterest’s Fix for the Hardest Problem in ML Infra

🍔🧠 How OpenAI Built GPT-Live for Low-Latency Voice AI

🍔🧠 How Cloudflare Freed 100TB RAM With 5 Cache Changes

🍔🧠 How Lovable Cut TTFB 49% After Leaving Next.js

🍔🧠 The Weirdest Part of PostHog’s AI Stack Is Just a Markdown File

Hungry Minds 🍔🧠