Engineering insights, tool updates, and developer ecosystem news.
A step-by-step tutorial for building a production-quality CLI tool with argument parsing, colored output, and npm distribution.
Most frontend testing advice is idealistic. Here is the pragmatic approach — what to test, what to skip, and which tools to use for the highest confidence with the least effort.
Most developer communities die within months — low engagement, no recurring participation, and an echo chamber of the same five people. Here is what makes the difference.
SSE is simpler than WebSockets and works perfectly for dashboards, notifications, and live feeds. Here is how to implement it right.
Next.js App Router has four caching layers and they interact in confusing ways. Here is how each layer works and how to control them for your use case.
Complete rewrites fail. Incremental migration succeeds. Here is the strategy for modernizing a legacy codebase while keeping it running in production.
Set up a complete local development environment with Docker Compose: database, cache, email, and your app with hot reload.
Security headers protect your users from XSS, clickjacking, and data theft. Here are the headers that matter, what they do, and how to configure them correctly.
Hiring managers spend 30 seconds on your portfolio. Here is what they look for, what impresses them, and what wastes their time — from someone who reviews developer applications.
WebSockets are powerful but complex. For most real-time features, HTTP streaming, SSE, or even smart polling solve the problem with less infrastructure. Here is when to use each.
Most one-on-ones are status updates that could be an email. Here is how to make them genuinely valuable for career growth, problem-solving, and building trust.
OAuth is straightforward in theory and treacherous in practice. Here are the security mistakes I see in almost every custom OAuth implementation and how to avoid them.