This is a collection of ideas, stories, tutorials, and whatever come to my mind. Better sharing them than keeping them into a Notion privately.

Mar 19, 2026

CloudWatch Was Our Most Expensive Service. Not Lambda. Logs.

Mar 18, 2026

McKinsey's AI Platform Got Hacked by SQL Injection

Mar 17, 2026

Amazon Banned Unsupervised AI Code. The Bottleneck Moved.

Mar 16, 2026

1M Tokens, Zero Premium. Half Your RAG Pipeline Might Be Unnecessary.

Mar 12, 2026

Math.sumPrecise Won't Fix the Bug That Costs Money

Mar 11, 2026

First Engineer to Tech Lead — What Nobody Tells You

Mar 9, 2026

A GitHub Issue Compromised 4,000 Developers

Mar 6, 2026

Every AI Agent I've Shipped Follows One of Three Patterns

Mar 5, 2026

Lambda Durable Execution Won't Replace Step Functions

Mar 4, 2026

GitHub Just Commoditized My Architecture

Mar 3, 2026

An AI Agent \"Deleted Production\" at Amazon. The Root Cause Will Sound Familiar

Mar 2, 2026

Vibe Coding Is Killing the Code It Depends On

Feb 27, 2026

When \"Just Express\" Costs More Than a Framework

Feb 26, 2026

Karpathy Killed \"Vibe Coding

Feb 25, 2026

AI Didn't Replace Freelancers. It Split the Market in Two

Feb 24, 2026

Anthropic Found 500+ Bugs That Decades of Expert Review Missed

Feb 23, 2026

Your AGENTS.md Is Probably Making Your AI Agent Worse

Feb 19, 2026

Your AI System's Biggest Cost Driver Isn't the Model

Feb 18, 2026

I Scaled an IoT Platform to 2M Devices on Lambda - Today I'd Change One Thing

Feb 17, 2026

AWS Quietly Removed the Biggest Serverless Constraint

Feb 12, 2026

If Your Infrastructure Isn't Defined in Code, It Doesn't Exist

Feb 10, 2026

Still Hardcoding Model IDs? That's Technical Debt with a Countdown Timer

Nov 10, 2023

Staying in Taiwan with a Taiwan Gold Card

Oct 23, 2023

Serverless Computing for a Modern-Day Development

Oct 2, 2023

From being Software Engineer into leading a team of 6 engineers