Review is the Symptom. Specification is the Fix.
Addy Osmani published Agentic Code Review the most data-rich, most honest assessment of the AI code-review crisis to date. The Faros numbers alone are…
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Building an AI Clothes Changer: provider abstraction, async jobs, and a credit system that won't lose money
I recently launched Dressora , an AI clothes changer that swaps outfits onto a single photo for virtual try-on. The product side is fun, but the parts…
Part 8: Persistence and State - EF Core, Migrations, and Reliability
In the last part, we looked at how expressions make your workflows dynamic. Today, we are discussing the backbone of any production-ready system: Pers…
Fire-and-forget AI engineering: letting agents ship a production app unsupervised
"An AI agent just built a production landing page, with GDPR audit logs and encryption baked in. I wasn't even at my desk." That is not a lucky one-sh…
Humidifier cross-border multi-currency auto-sync rate calibration tech
Reverse overseas online shopping supports settlement in over ten mainstream foreign currencies, including the US dollar, euro, pound sterling, and Aus…
Building Better Product Experiences Through Quiet Improvements
Yesterday was focused on the kind of product work that often happens behind the scenes but directly affects the quality of the user experience. The te…
Lesson 1.2 - REST Problems and the First GraphQL Fixes
Good morning, everyone! Welcome back. In our previous lesson, we compared REST and GraphQL at a high, architectural level. Today, we are going one lay…
What actually stays private on Midnight! (A builder's mental model)
Intro Coming from the XRPL, the challenge for me has been grasping what actually stays hidden on a privacy chain and how they acomplish that. On a tra…
Why AI Agents Make Me Reach for SQLite
Lately I keep reaching for SQLite where, before, I'd have reached for Postgres without thinking. It started with small services, then a bigger questio…
[System Design] Uber RAMEN: How Ride-Hailing Apps Push Real-Time Notifications to Millions of Devices
The Problem: Pushing Instant Notifications to Millions of Devices Answer-first: Uber's RAMEN system maintains persistent gRPC bidirectional streams to…
Why AI agents can't shop today — and what we're building to change that
AI agents are getting smarter every week. They can browse the web, write code, analyze data. But there's a glaring gap in their capabilities: they can…
[EN] How to Organize a REST API Tree to Survive Time (and Org Chart Changes)
Also available in Spanish Before designing an endpoint, classify its nature. Only then choose its location. The Silent Problem There are many articles…
Stop refunding payments you should never have charged
I once shipped a checkout that charged the card the instant the customer hit pay, then ran the order validation afterward. Stock check, address valida…
Stop Reinventing Boilerplate: Modern Web Development Is About Orchestration
There is an old habit in web development that still feels attractive: build everything yourself. Custom boilerplate. Custom admin panels. Custom authe…
Expanding the Sovereign AI Stack: Moving the Specification from Gateway to Local Silicon
When I first introduced the Sovereign Systems Specification and released the initial foundation of the SDK, sovereign-core and its accompanying sovere…
The Difference Between a Product and Infrastructure
One of the most interesting realizations I've had while building software is that products and infrastructure are not the same thing. At first, that s…
Idempotency Lessons From an Email Agent
A customer emails your support agent at 9:14 a.m. At 9:15 they get a helpful reply. At 9:16 they get the same reply again, word for word. Nothing cras…
Your feature flag defaults are backwards in tests
Most test suites get feature flag isolation backwards. The instinct is to opt in to a feature when a test needs it. The correct default is to force th…
Building a Polymarket Trading Bot: Architecture, Execution, and Risk Management
How I built a real-time automated trading system that monitors BTC, ETH, SOL, and XRP prediction markets and executes trades based on short-lived pric…
Working With AI: What Actually Works For Me
I think a lot of people still imagine AI coding as opening ChatGPT, asking for code, and copy-pasting the result. That's not really how I work anymore…
Your PHP Logs are Lying to You
The Evolution: From Log Tails to Indexed Search Most teams start with a stream-based log platform, such as Papertrail, Loggly, or legacy syslog viewer…
MCP Gateway: What It Is and Why Agent Fleets Need One
An MCP server exposes tools. delete_repository , create_charge , execute_query . The agent calls whatever it decides to call, and the server runs it. …
Rate Limiting Like a Jedi: Mastering the Token Bucket with Redis
The Quest Begins (The “Why”) Picture this: I’m huddled over my laptop at 2 a.m., eyes glazed, watching the metrics dashboard flash red like the Death …
The Hidden Complexity of Media Orchestration: Why Your SaaS Needs a Dedicated Engine
The Hidden Complexity of Media Orchestration: Why Your SaaS Needs a Dedicated Engine Every developer knows the feeling. You build a solid backend, cra…
A Love Letter to Survivorship Bias in Tech
How many times have you seen a picture of a plane with red dots posted on the internet without context? There's a famous story about a statistician na…
REST vs GraphQL vs gRPC — Which One Should You Actually Use?
Every engineering team hits this conversation at some point. Someone proposes GraphQL. Someone else says REST is fine. A third person mentions gRPC an…
Room-Inspired Local Persistence in Swift: A Production GRDB Architecture
Introduction If you've built Android apps with Room, you already think in a layered persistence model: entities define your schema, DAOs handle querie…
React Server Components vs. Astro Islands: When to Use Each Pattern
React Server Components vs. Astro Islands: When to Use Each Pattern I've shipped production code with both React Server Components (RSC) and Astro Isl…
Building an AI Visibility Scanner: Hybrid AI Analysis Architecture
Building an AI Visibility Scanner: Hybrid AI Analysis Architecture If you've been following the AI space, you've likely noticed the shift: users are n…
When to Use Microservices (And When to Stick With a Monolith)
Most teams I talk to assume microservices are the endgame. Split everything into tiny services, deploy independently, scale each one separately — it s…