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Casper Havelykke

Frontend developer. I build interfaces in React and TypeScript, apps for iOS and Android, and custom solutions for Shopify and WooCommerce stores.

I’m currently looking for a developer role, and I’m open to both frontend and backend work. I live in Kalundborg, Denmark, and I’m happy to relocate for the right job.

Selected work

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What I work with

Frontend

  • TypeScript and JavaScript
  • React and Next.js
  • Astro
  • HTML and CSS
  • Tailwind CSS

Apps

  • React Native and Expo
  • Progressive Web Apps
  • Publishing to the App Store and Google Play

E-commerce and CMS

  • Shopify and Liquid
  • WooCommerce
  • WordPress, Elementor and Divi
  • PHP

Backend and hosting

  • Node.js and GraphQL
  • Firebase and Firestore
  • SQLite
  • OAuth 2.0 and MCP
  • Linux server with Caddy

Tools

  • Git
  • Claude Code
  • Photoshop