# subhstack > Engineering blog and portfolio by Subhranshu — full-stack web development, system design, TypeScript, Python, and AI. ## About Subhranshu is a full-stack engineer specializing in TypeScript/JavaScript, React, Next.js, Node.js, Python, FastAPI, PostgreSQL, MongoDB, AWS, and Docker. Contact: subhstack@gmail.com | @subhstack on X/Twitter ## Site Structure - [Home / Resume](https://www.thesubhstack.com): Personal page with bio, skillset, and projects. - [Blog](https://www.thesubhstack.com/blogs): All engineering posts. ## Blog Posts - [What happens when you type a URL in your browser?](https://www.thesubhstack.com/blogs/dns-resolution): Every step your browser takes before a page appears — explained visually - [The Stack Below Your Stack: The Network Stack That Powers the Entire Internet](https://www.thesubhstack.com/blogs/network-protocol-stack): The Invisible Architecture: How Every Byte You've Ever Sent Actually Travels ## Technical Details - Built with Next.js (App Router), TypeScript, Tailwind CSS - Blog content sourced from Notion via the Notion API - Posts include code blocks (syntax highlighted), diagrams (Mermaid), and math (KaTeX) ## Licensing All blog content is © Subhranshu. Code examples in posts are MIT licensed unless otherwise noted.