The latest articles on DEV Community by Hyunwoo (@doongsilee). https://dev.to/doongsilee https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F355299%2Fabfb8105-18a1-4a43-bf27-80f2e84f8498.jpeg https://dev.to/doongsilee en Hyunwoo Sun, 01 Feb 2026 03:35:39 +0000 https://dev.to/doongsilee/happy-new-year-4mjp https://dev.to/doongsilee/happy-new-year-4mjp <p><em>This is a submission for the <a href="https://dev.to/challenges/new-year-new-you-google-ai-2025-12-31">New Year, New You Portfolio Challenge Presented by Google AI</a></em></p> <h2> About Me </h2> <p>Hi, I'm <em>Hyunwoo</em>, a software developer based in Montreal, Canada. I recently relocated here from South Korea and thought it was a good time to refresh my portfolio. When I saw this challenge, I decided to participate.</p> <p>While building this portfolio, I focused on showing the real me rather than showing off. Whether it's my professional work or personal side, I wanted to keep it honest and authentic.</p> <h2> Portfolio </h2> <p> </p> <div class="ltag__cloud-run"> <iframe height="600px" src="https://doongsilee-portfolio-1088510451952.northamerica-northeast1.run.app"> </iframe> </div> <h2> How I Built It </h2> <p>Built with Next.js using Antigravity IDE. Most of the initial design and structure came from vibe coding, though I manually tweaked detailed CSS when needed.<br> I started with Gemini 3 Pro, then switched to Flash when I hit usage limits. Sometimes I'd plan things out in Gemini's web chat first, then bring that plan into Antigravity to execute.</p> <h2> What I'm Most Proud Of </h2> <p>The tech stack visualization - something I've always wanted to make but never got around to. Actually building it was satisfying, and it helped me organize my own thoughts too.<br> Also, I finally got to use all those chaotic animations that designers usually veto. Click the underlined text on the About page if you want to see what I mean.</p> devchallenge googleaichallenge portfolio gemini