WONARIO
Modern property management platform
- Cloud tool for landlords and property managers
- Centralized dashboard for properties, tenants, investors
- Built-in ticketing for maintenance and repairs
- Direct tenant communication and partner coordination
SOFTWARE DEVELOPER · HAMBURG
I BUILD THOUGHTFUL SOFTWARE TOOLS AND ENGAGING EXPERIENCES
I create products that combine solid engineering with clean design. From property management tools and macOS utilities to interactive data visualizations and mobile games.
SELECTED PROJECTS
PAINTWALK
Paint the world by walking
- GPS-Pixel-Game im echten Raum
- Male die Welt Zelle für Zelle durch Bewegung
- Ein globales, dauerhaftes Kunstwerk
SNOOZEBAR
Smart sleep scheduling for macOS
- Menu bar utility for power management
- Quick sleep timers that survive restarts
- Flexible scheduling with system integration
- Lightweight, native macOS experience
FLOW
Team wellbeing tracker
- Internal mood barometer for organizations
- Tracks employee sentiment over time
- Visual dashboard for HR and team leads
- Prevents burnout, strengthens team connection
MINUVO
Privacy-first subscription tracker
- Local-only recurring payment manager
- Track bills with flexible cycles and categories
- Analytics: monthly costs, trends, breakdowns
- CSV export, no cloud, no bank connections
NATIONAL AURAL ATLAS
The emotional map of anthems
- Interactive world map of national anthem emotions
- Based on 2025 research (Toiviainen et al.)
- Built with React, TypeScript, MapLibre, D3
JOSCHA2 – RETURN OF THE CHORES
Space shooter meets household tasks
- Arcade game where chores chase you through space
- Progressive difficulty with unlockable ships
- Power-ups: freeze, bomb, shield, multishot
CLIENT PROJECTS (NDA)
Custom tools and sites
- Business dashboards and internal tools
- Responsive marketing websites
- Privacy-focused, maintainable solutions
X-CONCAPPS GMBH
CEO & FOUNDER
I lead X-Concapps GmbH, a software company building custom solutions for web, desktop, and mobile. Projects like Wonario and Minuvo were released through the company.
10+ PROJECTS
500+ CLIENTS
7 PRODUCTS
LET'S CONNECT
I'm open to collaborations, product work, interactive data projects, and game development.
Let's build something meaningful together.