My work

Portfolio

Projects I built entirely myself — from architecture to deployment, on my own servers, with my own backend.

Live Mobile App Web App

GrowTracker

Cannabis grow tracking for Android & Web

growtracker.de →

GrowTracker is a grow management app for Android and the web. Manage plants, track tasks, analyze statistics and use various calculators (DLI, fertilizer, nutrient schedule).

Backend on a dedicated Linux server with Node.js, Express and MySQL. REST API with JWT authentication, CSRF protection and rate limiting.

Features

  • Plant management with profiles & photos
  • Task system with reminders
  • Growth statistics & charts
  • DLI, fertilizer and nutrient calculators
  • BLE sensor integration
  • Community forum
  • CMS & admin panel
  • PWA support

Tech Stack

FrontendAndroid (Kotlin), PWA
BackendNode.js, Express
DatabaseMySQL
AuthJWT + 2FA (TOTP)
ServerLinux, nginx, systemd
HostingOwn VPS
Live Web Platform

Pixel-Play

Gaming platform with community features

pixel-play.net →

Pixel-Play is a gaming platform for managing and discovering games. Users can maintain their game library, track progress and benefit from personalized recommendations.

Features

  • Game library & catalog
  • Progress tracking
  • Personal game list & wishlist
  • Admin panel for game management
  • JWT authentication

Tech Stack

FrontendVanilla JS, HTML/CSS
BackendNode.js, Express
DatabaseMySQL
AuthJWT Cookie
ServerLinux, nginx, systemd
Beta Web App

Study-Forge

Adaptive learning platform with flashcards

Study-Forge is an adaptive learning platform with a flashcard system. The built-in spaced-repetition algorithm ensures content is reviewed at the optimal time — for efficient learning.

Features

  • Flashcards with categories & tags
  • Spaced-repetition algorithm
  • Learning statistics & progress
  • Import/export function
  • DE/EN support

Tech Stack

FrontendAstro, Vanilla JS
BackendNode.js, Express
DatabaseMySQL
ServerLinux, nginx
Get in touch

Got a question about a project?

I'm happy to hear feedback, questions and collaboration ideas.