© 2026 Carmen Hernandez

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Writings

9 pieces on design, shipping, and building with agents.

September 22, 2026Make yourself a workspaceI moved from Cursor to Claude Code in the terminal, then to tmux, and ended up with a window for every project. So I built one place to see every session and every doc and site that belongs to it.September 14, 2026Rebuilding OpenSea Zero-to-oneThe OS2 rewrite, surface by surface: the collection grid, the profile, token trading, and the mobile app, plus the design system underneath them.September 1, 2026Build small design tools for your workWhen prompting stalls, build a small tool instead. Four built for real work: a Leva controller, a canvas layout, a visual corrector, a text editor.August 11, 2026Your portfolio should have a screensaverFive screensavers built for a portfolio site: flying toasters, a DVD bounce, a dial-up connect screen. Why an idle state is worth building.August 11, 2026I made a habit tracker that pays out in gems, not streaksSweet Streaks is a habit tracker where finishing the day opens a mine instead of extending a number. How the gems, the partner layer and the rewards work.April 20, 2026Leaving OpenSea and what it taught me about shippingFour years at OpenSea: arriving through the Gem acquisition, shipping OpenSea Pro against Blur, the redesign, and three lessons about shipping.February 19, 2026Building a More Durable Healthcare Design Jobs BoardRebuilding a healthcare design job board around durability: an infrastructure-first approach, why the domain is hard, and what designers get from it.January 22, 2026Reflections on building a social appBuilding Freddie, a queer social app: why it became membership-based rather than ad-funded, why moderation is the hardest part, and what hiring taught me.January 14, 2026Designers are best positioned to build with AIDesigners already do the work AI leaves behind, turning ambiguity into specs and prototypes. What AI actually changes, and a low-stakes way to start.