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Working on improving the Internet Infrastructure
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Working on improving the Internet Infrastructure

Achievements

Achievement: YOLOAchievement: Pull Sharkx3Achievement: Quickdraw

Achievements

Achievement: YOLOAchievement: Pull Sharkx3Achievement: Quickdraw

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OneDev49/README.md
Portfolio Banner

Stefan Lüllmann

Full-Stack Software Developer

TypeScript | React | Next.js | Node.js | Prisma | PostgreSQL | TailwindCSS

Developer specializing in modern Full-Stack JavaScript Applications. Skilled in building performant, maintainable Websites and scalable Back-End Systems. Deep experience in the Next.js Ecosystem and End-to-End Application architecture. Currently focused on professional Projects and Case Studies demonstrating technical proficiency.

🏆 Project

Professional Portfolio Website

Portfolio Screenshot

  • Tech Stack: Next.js, React, TypeScript, SCSS
  • Live: https://stefan-luellmann.com
  • Professional Case Studies integrated with MDX and gray-matter for structured content.

Entro - Full-Stack E-Commerce Computer Store (In Progress)

Entro E-Commerce Computer Store Screenshot

  • Tech Stack: Next.js, React, TypeScript, Prisma, TailwindCSS, Zustand, PostgreSQL, Supabase, Vercel, Zod, Redis
  • Live: https://ecommerce.stefan-luellmann.com/
  • Demonstrates End-to-End Development: Product Catalog, Cart, Authentication, User Dashboard, Product Pages, Payments.

🔧 My Tech Stack

Frontend Backend DevOps & Design
Next.js Node.js Git / GitHub
React / Zustand Prisma Docker
TypeScript / JavaScript PostgreSQL / MySQL Vercel
HTML5 / CSS3 Redis / NextAuth.js / Zod Figma
SCSS / Tailwind CSS PHP (legacy) / Headless CMS (WordPress) Supabase

📊 GitHub Stats

My GitHub stats Top Languages

📫 How to Reach Me

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  1. stefan-luellmann-portfolio stefan-luellmann-portfolio Public

    Professional Portfolio Website built with Next.js, React, TypeScript and SCSS. Showcases Personal and Client Projects as well as in-depth Case Studies. Deployed on Vercel.

    TypeScript 1

  2. stefan-luellmann-ecommerce-app stefan-luellmann-ecommerce-app Public

    A Full-Stack E-Commerce platform built with Next.js, TypeScript and Prisma. Features a complete shopping experience, persistent cart/wishlist, secure user authentication with NextAuth.js and a comp…

    TypeScript 1

  3. stefan-luellmann-tools-nebenkostenabrechnung stefan-luellmann-tools-nebenkostenabrechnung Public

    TypeScript 1