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afmdev/README.md

Hey, I'm Alejandro 👋

Frontend Developer with 15+ years in web/UI and 3+ years specializing in React, Next.js, and TypeScript, with modern framework depth in Astro and SolidJS. Recently expanded into cross-platform mobile (React Native) and NestJS backends. EU citizen, based in Berlin.

Proven track record of delivering 90+ Lighthouse scores and measurable business impact—from cutting server costs by 30% via ISR strategies to boosting Core Web Vitals by 20%. Rated "hervorragend" (1.0) in my most recent formal performance review.

🛠️ Technical Stack & Skills

  • 🎨 UI & Frontend Core: HTML5, CSS3, Tailwind CSS, CSS Grid, Flexbox, Responsive Design, WCAG 2.1 AA, Core Web Vitals, SEO, PWA
  • ⚡ JavaScript & Frameworks: React, React Native, Next.js, Astro, SolidJS, TypeScript, JavaScript (ES6+)
  • 📝 CMS & Content: Contentful, Storyblok, Payload CMS, AdminJS, WordPress (Headless & Traditional)
  • 🔌 Backend & APIs: Node.js, NestJS, Express.js, Prisma, RESTful APIs, GraphQL, OpenAPI, Socket.io, Serverless Functions
  • 🗄️ Databases: MongoDB, PostgreSQL, Firebase/Firestore
  • 🚀 DevOps & Testing: Git, GitHub Actions, Vercel, Docker, Fastlane, Playwright, Jest, Sentry
  • 🖌️ Design & Tools: Figma, Affinity, Mailchimp

MERN Marketplace

GitHub Repo Live Site

Fakeshop

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Rick & Morty API

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Pixabay API

GitHub Repo Live Site

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