Real-Time Anomaly Detection Engine for a Cloud Storage Platform
I built a Python daemon that watches incoming HTTP traffic in real time, learns what "normal" looks like, and automatically blocks attackers using Lin…
Architecture
⚑ Report a ProblemLatest Architecture news from Tech News
All topics
agents
ai
api
architecture
automation
aws
backend
beginners
career
claude
cloud
database
devchallenge
devops
javascript
llm
machinelearning
news
opensource
performance
productivity
programming
python
security
showdev
softwareengineering
systemdesign
tutorial
typescript
webdev
I wanted jq with memory, time ranges, and filters. So I built logdive
Your app is in production. Something broke at 2am. Your options are: grep through a rotated log file, squinting at terminal output. Chain together hal…
How we quantified SaaS Lock-In and LLM Costs
The "Contact Sales" button is a technical debt indicator. Every time a vendor hides their pricing behind a form, they are adding friction to your stac…
The payments inversion — building a Lightning revenue-share loop where the app pays the user
In the last post I argued that Stripe — and the card network underneath it — can’t serve certain payment shapes, no matter how good the developer expe…
How I'm running an autonomous Claude Code loop on a real shipped product
type.win is a Balatro-styled typing arcade I built — two games, a leaderboard, live on Cloudflare Workers. The interesting part isn't really the game,…
Show DEV: I refused to pay $40 for a clunky PC sensor panel, so I built my own with React & Electron.
If you’ve built a custom PC recently, you’ve probably looked into putting a 5-inch or 8.8-inch ultra-wide "sensor panel" inside your case. It looks in…
How I built a self‑healing package manager
How I Built a Self-Healing Package Manager from Scratch (Rust + AI) The first tool that automatically resolves dependency conflicts by generating adap…
I Built Three Platforms for Dental Professionals — Here's What the Data Taught Me
I'm a software engineer who noticed that discovery in dentistry is completely broken. Dental professionals at small practices never see product reps. …
Why iPhone Videos Silently Fail as Telegram Video Avatars
The Silent Failure Nobody Explains I was setting up a Telegram video avatar and uploaded a recent iPhone clip. No error, no feedback, just the upload …
Election Educaiton and Assistant app
Building ElectAssist: Revolutionizing Democracy with AI-Driven Election Intelligence In an era of information overload and increasing election complex…
New article in my signal-kernel series: Async Transactions for Signals How do you batch updates across await boundaries without breaking lazy computed or your scheduler model? This article shows the implementation and the trade-offs.
Async Transactions for Signals: Batching Updates Across await Luciano0322 Luciano0322 Luciano0322 Follow Apr 27 Async Transactions for Signals: Batchi…
Tired of the Frontend/Backend split? Meet Zolt: Full-Stack Apps in Pure Python.
Introduction: As developers, we spend half our time managing the "gap" between our Python backends and our JS frontends. I wanted to close that gap. T…
I wrote my third XML parser. Here's why this one was different.
Hi, I'm Pasha, and I write XML parsers. Not because the world needs another one. The world has xmlutil by Paul de Vrieze, which I will say specific ni…
🚀 LearnArc — Pay-Per-Use AI Learning Platform
In this hackathon, we built LearnArc, an AI-powered education platform designed to make learning more flexible, affordable, and accessible — especiall…
Use your Obsidian vault from Neovim, organized by project
I built notes-nvim because I wanted to use my Obsidian vault from inside Neovim without leaving my project. Obsidian is great for storing notes — grap…
From Broke Bots to Streaming Economies: Building the Agent Economy Wallet
Submitted for Solana Blitz v4 — Featuring a brand-new continuous payment engine powered by MagicBlock Ephemeral Rollups. TL;DR : The Agent Economy Wal…
I Built a Suite of 6 Financial Tools in My Browser Stack — Here's the Architecture
I Built a Suite of 6 Financial Tools in My Browser Stack — Here's the Architecture KashVector is live. Six free, client-side financial tools at kashve…
How We Built a Sober Driver Booking System in Moldova: Real-time Dispatch with Node.js, Supabase & Vercel
How We Built a Sober Driver Booking System in Moldova: Real-time Dispatch with Node.js, Supabase & Vercel In September 2024, Moldova reclassified …
How I built a 100% offline-first Capacitor app for UK Property Surveyors
Building a hybrid app in 2026 is easy. Building a hybrid app that works 100% offline in a concrete basement is incredibly difficult. I recently launch…
I built a shields.io alternative that renders badges as shadcn/ui buttons
README badges have looked the same for a decade. Flat rectangles, basic colors, that shields.io aesthetic. They work, but if you're building a project…
Laravel WebDAV Server enters Beta - API is now stable
🚀 I’ve just released the first beta version of my Laravel WebDAV server: 👉 https://github.com/N3XT0R/laravel-webdav-server/releases/tag/1.0.0-beta.1 📖…
Building a Free Instagram Editor with Svelte 5, WASM, & Llama 3.1
Hello DEV community! 👋 Building a web-based graphic editor usually means wrestling with HTML5 Canvas or heavy WebGL libraries. But what if you could b…
Cost-engineering an "AI Generate" button in a freemium product (from $0.08 to $0.029 per click)
TL;DR My coding-interview prep app has a "Generate Visualization" button . Click it on any algorithm problem and Claude Sonnet 4.5 produces a self-con…
I spent 1 year building a fully-featured online IDE from scratch. Looking for feedback!
Hey everyone, I recently launched CodingPulse (codingpulse.online), a project I’ve been working on to bring a professional IDE experience directly to …
I Built a Pneumonia Detection AI on My MacBook — Here's Exactly How It Works
I just finished building a deep learning system that identifies pneumonia from chest X-rays with 96% accuracy and an AUC-ROC of 0.99. I ran the entire…
I Built a Private, Local-First AI Assistant with Flask
The Goal: I wanted an AI assistant that doesn't save my logs to the cloud and utilize my hardware. Though it's quite slow as of now, I believe with fu…
How I Built a Full-Chain Cross-Border Purchasing System — From 1688 to Global Doorstep
A deep dive into the architecture behind Taocarts: an all-in-one SaaS platform that automates reverse-shopping from Chinese e-commerce to the world. T…
I created an app to help humans understand AI generated code.
A few years ago I could keep up with the pull requests my team shipped in a week. Not skim. Actually read. Follow the logic, notice the shortcuts, rem…
I’m building a post-SaaS app catalog on Base, and here’s what that actually means
For the last several months I’ve been quietly shipping web apps to a site called QuackBuilds. On the surface it looks like a simple catalog — ten or s…
Building repomeld: From Simple Script to Production-Ready CLI Tool
The Problem That Started It All It was 3 AM, and I was staring at yet another ChatGPT conversation, manually copying files from my project one by one.…