Full-Stack Developer
Build and maintain full-stack product features for Demand.io, working across the existing frontend platform and backend services built with Node.js and ElysiaJS.
Feb 19, 2026 / Current
Pancho Blanco
Creative Developer
Front-End Engineer (Contract)
Architected and maintained SimplyCodes, a Chrome extension (70,000+ Chrome Web Store users, 4.6★) — owned both the UI layer (checkout overlays, in-page widgets) and core extension logic (checkout detection, content-script injection, cross-context messaging).
Oct 18, 2022 / Feb 19, 2026
Web Core
TypeScript, JavaScript, HTML, CSS, PHP, REST, SQL, Git, Sass, SCSS
Frameworks & Libraries
React, Next.js, Vue, Nuxt 4, React Native (Expo), TanStack (React) Query, Pinia, Zustand, Redux, Vuex, Tailwind/UnoCSS, Node.js (Express, Handlebars, Nest), ElysiaJS, Prisma ORM, Drizzle, Laravel
Browser APIs
Chrome Extensions (Manifest V3), Content Scripts, Service Workers, chrome.storage / runtime / tabs / scripting, WebExtensions API
Testing & Quality
Cypress, Playwright, Vitest, Jest, Storybook, Accessibility (WCAG AA), Auditability
Tools
CI/CD Pipelines, Vite, GTM, GA, PostHog, AI-assisted Code (Claude Code, Antigravity), Design Systems, Agile/Scrum, SEO, SSR/SSG/ISR, i18n
- Native
- Fluent