1d ago · 4 min read · The Problem If you use AI coding assistants, Claude Code, Cursor, GitHub Copilot, Gemini, you've hit this wall: every new conversation starts with the AI re-reading your source files to understand the
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Apr 2 · 4 min read · Most people use AI tools like ChatGPT… but very few actually build their own AI systems. I was in the same position — using AI daily, but not really understanding how to create something scalable and
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Mar 26 · 25 min read · And what WhatsApp, Discord, and Notion learned the hard way so you don't have to. There's a version of this blog that starts with theory. Request lifecycle. Latency percentiles. CAP theorem. This isn
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Mar 27 · 7 min read · Building a Zero-Dependency Rate Limiter for Express: Inside api-rate-guard Rate limiting is one of those things every production Node.js API needs, and most teams implement it too late — after the first abuse incident, the first DDoS attempt, or th...
Join discussionMar 23 · 12 min read · 🔁 The Request–Response Cycle (Deep Understanding) At the heart of every backend system lies the request–response cycle. This is not just a concept — it is literally how the internet works. Whenever a
Join discussionMar 19 · 3 min read · During my recent web development cohort class, we built a simple Express server and tested APIs using fetch(). Everything seemed straightforward… until I noticed something confusing. If I’m already se
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