From Signals to Ownership: Why I Built a Dataflow Kernel
When I first started building signal-kernel , I thought I was simply writing a signal library—a fine-grained reactive system not tied to any specific …
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There Is No Perfect Solution in Software Development: Every Decision is a Tradeoff
Most bad decisions in software engineering aren't made because the engineer chose wrong between two clear options. They're made because the engineer d…
I'm Building an Infinite Full-Stack Assembly Line (And Why the Boilerplate Market is Dead)
Every developer knows the absolute worst part of starting a new software project.It isn't writing the features, designing the UI, or talking to users.…
Least Privilege for AI Agents: One Identity, One Scope
A team ships a support triage agent on a Friday. It works beautifully for two weeks — reads inbound mail, drafts replies, files tickets. Then a prompt…
I built a region-survivable system by directing an AI agent. An append-only decision log kept it coherent.
Most of the code in Quorum was written by directing Claude Code, an AI coding agent. That is not the interesting claim, and on its own it is not even …
[System Design] Ride-Hailing Dispatch Algorithm: How Uber DISCO & Grab DispatchGym Match Drivers
Every time you tap "Book Ride," a system makes dozens of decisions in under two seconds: Which driver? What route? What's the real ETA? This article b…
I built a region-survivable system by directing an AI agent. An append-only decision log kept it coherent.
Most of the code in Quorum was written by directing Claude Code, an AI coding agent. That is not the interesting claim, and on its own it is not even …
Indexing: The Force Awakens in My Rate Limiter Quest
The Quest Begins (The "Why") Ever had one of those days where your API feels like it’s stuck in quicksand? I was building a simple rate‑limiter for a …
How to Build a High-Performance RAG Pipeline with Ollama, Python and TypeScript
The TL;DR If you need to spin up a local, privacy-first AI agent that can query your own internal documents without sending data to third-party APIs, …
Microsoft AI Agent Architecture in 2026: A Decision Framework for Copilot Studio, Foundry, Agent Framework, and Logic Apps
Stop Picking AI Frameworks Before You Answer This One Question If you're building AI agents on Azure, you've been here: a kickoff meeting where someon…
Simulating 2G to build an offline-first sync engine in Rust for rural clinics
hey dev.to, so I am Mathéo, a 2nd year CS student at EPITECH Nancy (France). I want to share a project I have been building for the last few months: Z…
The Best Abstractions Arrive Late
One of the biggest mistakes I see developers make is trying to design the perfect abstraction before they've built anything. I've done it myself. You …
AI Claim Verification Pipeline: Stop Hallucinations Before They Reach Customers
AI hallucinations rarely look broken at first glance. They look confident, polished, and ready to ship. That is the dangerous part. A generated report…
Bulkhead Pattern - Go
Go Bulkhead Pattern — Complete Reference Table of Contents What is the Bulkhead Pattern Three Mechanisms HTTP Transport Parameters — Deep Dive Little'…
When Your App and the Gateway Disagree: Orphan Cleanup and State Reconciliation
Anyone who manages an external system from a Laravel app eventually hits the same uncomfortable truth: your database thinks one thing, the external sy…
HLD Fundamentals #3: Monolithic vs Microservices Architecture
As applications grow, one of the biggest architectural decisions is whether to keep everything in a single application (Monolith) or split it into ind…
Edge Computing in the Browser: How I Replaced a Backend Server with Web Workers & WASM
The obsession with centralizing heavy compute on backend servers is a massive bottleneck for both cost and latency. In 2026, as more applications move…
Admin Panels Are Not Configuration Systems
I learned this the annoying way: admin panels are not configuration systems. They can become one, but not by accident. Early on, it feels harmless. So…
Agent-to-Agent Communication Over Email
Your procurement agent needs three quotes for a hardware order. The vendor on the other side runs a sales agent that answers pricing questions automat…
Human-in-the-Loop: Email Approval Workflows for Agents
The most effective safety control for an email agent isn't a better model, a longer system prompt, or a stricter eval suite. It's a draft folder. Here…
How to Run a Technical Debt Audit (Guide for Non-Engineer Founders)
Originally published at spectredev.xyz . Cross-posted here for the Dev.to community. Learn how to run a technical debt audit as a non-technical founde…
[System Design] H3 Geospatial Indexing: How Uber Finds Nearby Drivers with Hexagonal Spatial Index
The Problem: Finding a Needle in a Haystack Answer-first: Uber and Grab find the nearest available driver in under 100ms by dividing the Earth's surfa…
Building Resilient Multi-Agent Systems
Introduction AI agent systems are evolving rapidly. Today, we already see multi-agent architectures capable of solving complex problems by breaking th…
Vertica vs VoltDB (Volt Active Data): Key Differences, Use Cases & How to Choose in 2026
If you're building a modern data stack that requires either high-throughput transaction processing or large-scale analytical workloads, you've likely …
Hand-Rolled Mappers vs AutoMapper: Keeping the PHP Domain Pure at the Boundary
Book: Decoupled PHP — Clean and Hexagonal Architecture for Applications That Outlive the Framework Also by me: Thinking in Go (2-book series) — Comple…
Translate Infrastructure Errors at the Adapter, Not in Your Domain
Book: Decoupled PHP — Clean and Hexagonal Architecture for Applications That Outlive the Framework Also by me: Thinking in Go (2-book series) — Comple…
Building a Production-Ready E-Commerce Platform with Next.js
Most e-commerce tutorials stop after implementing a product page, shopping cart, and checkout process. Real-world e-commerce platforms are much more c…
A Semantic Approach to WPF and MVVM with Clprolf framework
Introduction WPF and the MVVM (Model-View-ViewModel) pattern are powerful tools for desktop development. However, as applications grow, the technical …
Beyond the Happy Path: Lessons in Resilience and Distributed State
Reflecting on two major technical challenges from my backend engineering internship, focusing on fault tolerance, infrastructure, and distributed arch…
AI Agents
AI Agents: Why Simple Chains Beat Complex Orchestration I've built nine AI features into CitizenApp, and I keep seeing the same pattern: developers ge…