Full-stack developer (Python & Django) and B.Sc. student in Robotics & AI at IU International University. I design, build and run web applications end to end — mostly solo, from the data model to deployment.

• 🔭 Currently building Preceptly — scheduling, billing and a parent/student portal for private tutors
• 🧑‍💻 Full-stack development – mostly built solo
• 🐍 Backend: Python & Django — service layer, REST endpoints, WebSockets with Django Channels
• 🌐 Frontend: Django templates, vanilla JavaScript, Tailwind CSS and UI logic
• 🤖 B.Sc. student in Robotics & AI (distance learning, IU International University)
• 💼 Freelance web development under andicode.de
• 📐 Math tutor up to Abitur level
• 🖥️ Linux, Raspberry Pi, automation & self-hosting
• 🧠 Systems thinking — clarity over complexity
• 📚 Clean code, solid documentation, reproducible setups
• 🌙 Most productive late at night

Scheduling with conflict detection (time overlaps, travel time, contract quotas), invoicing with PDF export, a parent/student portal with online booking, video lessons, calendar sync and optional AI-assisted lesson plans. Started as a CodeCraze Hackathon 2025 submission and now runs live with Stripe subscriptions.

Stack: Django · PostgreSQL · Django Channels & Redis · WebRTC · Stripe · Docker · Railway
🌐 preceptly.de · 🎥 Demo video · 📄 Case study

E-commerce system for my family's beekeeping business: product catalog, cart with volume discounts, order and stock management, and a role-based admin backend with analytics. In production and self-hosted on a Raspberry Pi. The public repository contains the technical documentation.

Stack: Django · SQLite · Nginx · Gunicorn · Let's Encrypt
🌐 honey-treasures.com · 📄 Case study

Offline tool that helps young people (ages 10–16) recognize manipulation, bullying, pressure and grooming patterns in chat conversations and explains them in plain language — no uploads, no telemetry. Rules-first detection with optional local ML models. Built for the Code Spring hackathon.

Stack: Python · Streamlit · sentence-transformers · ONNX Runtime · pytest
🎥 Demo video · 📄 Case study

Static, GDPR-compliant website for a bicycle shop in Lower Saxony: no cookies or trackers, dark/light mode, photo gallery and Schema.org data. Image payload reduced from ~38 MB to ~8 MB.

Stack: HTML · CSS · JavaScript
🌐 radhuus-nortrup.de · 📄 Case study

Single-page website for my freelance web development services, past projects and tech stack.

Stack: HTML · Tailwind CSS · JavaScript
🌐 andicode.de · 📄 Case study

Languages

Frameworks & Libraries

Databases

DevOps, Hosting & Services

Hardware & Self-Hosting

Design

_{Generated daily by a GitHub Action straight from the GitHub API (scripts/stats.py). Languages and stars cover public repositories only; several projects, including client work, live in private ones.}

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