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Featured Posts

Weekly DigestWeekly Digest
🍔🧠 How GitHub Handles 500 Million Code Push/Month

🍔🧠 How GitHub Handles 500 Million Code Push/Month

PLUS: 7 Lessons Building AI Apps 🤖, Double-Keyed Browser Caching ⚡, OpenAI's New Operator Agent 👀

Alex Zajac
Alex Zajac
Weekly DigestWeekly Digest
🍔🧠 RIP React; How Dagger Moved to Go + WebAssembly

🍔🧠 RIP React; How Dagger Moved to Go + WebAssembly

PLUS: Cameras in Airpods?! 🎧, Serverless 101 ⚡, Junion to Staff in 3 Years 🧓

Alex Zajac
Alex Zajac
Weekly DigestWeekly Digest
🍔🧠 How to Build a Real-Time Gaming Leaderboard That Scales

🍔🧠 How to Build a Real-Time Gaming Leaderboard That Scales

PLUS: Sonic-Fast Log Searches ⚡, LLMs for Staff Engineers 🤖, 25 Years Dev Insights 🧓

Alex Zajac
Alex Zajac

Hungry Archive

Weekly DigestWeekly Digest
🍔🧠 How Uber Upgraded 2M Spark Jobs (Saved $MMs/Year)

🍔🧠 How Uber Upgraded 2M Spark Jobs (Saved $MMs/Year)

PLUS: Android Coming To PCs 💻, Handling 10B Messages Daily 🚀, Load Balancer Deep Dive 🔄

Alex Zajac
Alex Zajac
Weekly DigestWeekly Digest
🍔🧠 Palantir's Database Index Pattern That Cut Query Times By 85%

🍔🧠 Palantir's Database Index Pattern That Cut Query Times By 85%

PLUS: How Claude Code Works 🤖, Master Rate Limiting Patterns 🚦, OS Kernel From Scratch 🏗️

Alex Zajac
Alex Zajac
Weekly DigestWeekly Digest
🍔🧠 This New LinkedIn AI Pipeline Powers 800M Users

🍔🧠 This New LinkedIn AI Pipeline Powers 800M Users

PLUS: Claude as Coding Agent 🧠, Migrating 13K Tables in 4 Hours ⏱️, How Linear Scaled Multi-Region 🌍

Alex Zajac
Alex Zajac
Weekly DigestWeekly Digest
🍔🧠 How Grab Built An Authentication System for 180+ Million Users

🍔🧠 How Grab Built An Authentication System for 180+ Million Users

PLUS: How Browsers Work 🕵️ 15-Year-Old Queue Problem ⏳ Python Debugging Tricks 🐍

Alex Zajac
Alex Zajac
Weekly DigestWeekly Digest
🍔🧠 How Dropbox Built AI Search Using RAG and AI Agent Techniques

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

PLUS: 7 Best API Practices 🔥, Server Sent Events Explained ⚡, Video Game Blurs? 🎮

Alex Zajac
Alex Zajac
Weekly DigestWeekly Digest
🍔🧠 How Salesforce Used AI to Reduce Test Time by 30%

🍔🧠 How Salesforce Used AI to Reduce Test Time by 30%

PLUS: 10 System Design Questions 📋, API Design 101 📘, Python to Go 300% Improvement 🐍

Alex Zajac
Alex Zajac
Weekly DigestWeekly Digest
🍔🧠 How Reddit Sends 10M+ Notifications/Month (Deep Dive)

🍔🧠 How Reddit Sends 10M+ Notifications/Month (Deep Dive)

PLUS: Claude AI Best Practices 📋, LLD Interview Blueprint 📘, CDN Explained 🌍

Alex Zajac
Alex Zajac
Weekly DigestWeekly Digest
🍔🧠 Build Your Own 280M-Page Search Engine (Complete Blueprint Inside)

🍔🧠 Build Your Own 280M-Page Search Engine (Complete Blueprint Inside)

PLUS: How Webhooks Work ⚙️, Rust Replaces Elasticsearch & MongoDB 🦀, AI Startup Bids $34.5B for Chrome 🚀

Alex Zajac
Alex Zajac
Weekly DigestWeekly Digest
🍔🧠 How DropBox Built Multimedia Search for 700M Users

🍔🧠 How DropBox Built Multimedia Search for 700M Users

PLUS: Design a Rate Limiter ⏳, What is Cache Warming ♨️, Instagram Staff Career Gold 🏆

Alex Zajac
Alex Zajac
Weekly DigestWeekly Digest
🍔🧠 How Amazon S3 Crushed The CAP Theorem (Deep Dive)

🍔🧠 How Amazon S3 Crushed The CAP Theorem (Deep Dive)

PLUS: GeoHashing Explained 🌍, AI Cookbook for Devs 📖 , AI Agents In Prod 🤖

Alex Zajac
Alex Zajac
Weekly DigestWeekly Digest
🍔🧠 How Grab's Rust Migration Cut Server Costs By 70%

🍔🧠 How Grab's Rust Migration Cut Server Costs By 70%

PLUS: Claude Code Goldmine 🐐, Load Balancing Crash Course 👨‍🎓, Work-Life Balance Slows Careers ⚖️

Alex Zajac
Alex Zajac
Weekly DigestWeekly Digest
🍔🧠 95% Faster: The Data Pipeline That Saved Airbnb Millions

🍔🧠 95% Faster: The Data Pipeline That Saved Airbnb Millions

PLUS: Parsing 1B Rows in 10s with Bun ⚡, Load Balancer vs Proxy vs Gateway ⚖️, 2025’s Hottest Tech Stack Revealed 🔥

Alex Zajac
Alex Zajac