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  • California, USA
  • 11:07 (UTC -07:00)

Achievements

Achievement: Pull SharkAchievement: Arctic Code Vault Contributor

Achievements

Achievement: Pull SharkAchievement: Arctic Code Vault Contributor

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John-Dag/README.md

Hi there, I'm John 👋

Full Stack Engineer focused on React/TypeScript frontends and C#/.NET backends. I build secure, production applications and payments systems.

🔭 Currently building:

  • checkout-lab — a custom Stripe Elements checkout (React 19, Mantine, server-authoritative amounts) with an LLM-powered support assistant grounded in live order data

💡 What I work on: payments & PCI-aware development, performant data-heavy UIs, and integrating LLMs into real products.

Pinned Loading

  1. checkout-lab checkout-lab Public

    Custom Stripe Elements checkout UI built with React 19 and Mantine

    TypeScript 1

  2. cantio cantio Public

    An exploration of the Spotify API featuring visual representations of your listening habits.

    JavaScript 1

  3. engine-490 engine-490 Public

    A 3D java game engine built on the libGDX framework.

    Java 10 1

  4. stone-irrlicht stone-irrlicht Public

    Prototype of a 3D retro fps using the Irrlicht 3D engine. Features a level loader, command console, model loader, player movement, lighting, shaders, projectiles, and an event handler.

    C++ 4