Case Studies

Three real projects. No slide deck, no promises.

UStG · GSVG · EStG

One dashboard, three small-business thresholds -- accounting built for Austria. Open beta since 06/2026.

BuchhaltGenie: The Dashboard That Understands Austria's Three Small-Business Thresholds

Own product: accounting dashboard for Austrian sole traders and SMBs. Models the three independent small-business thresholds (UStG, GSVG, EStG) as a traffic-light cockpit and builds 12 Austrian laws directly into the data model.

Next.js · Supabase · TypeScript · Tailwind · Claude Sonnet

eigenes-produkt

1st Place

79 of 104 points · 2nd place had 65 points · Solo development, 3 hours on-site

BitGN PAC Hackathon Vienna: 1st Place with Autonomous AI Agent

Autonomous AI agent built for the BitGN Personal Agent Challenge hackathon in Vienna. Solo development over one week, 104 tasks, 5 security layers. Result: 1st place on-site.

TypeScript · Vercel AI SDK · Claude Sonnet · ConnectRPC

hackathon

11 Countries

16 websites, 8 webshops coordinated and successfully relaunched

International Paper-Trade Group: Webshop Relaunch Across 11 Countries

Coordination of an international webshop relaunch for a paper-trade group. 11 countries, 16 websites, 8 webshops. Role: IT and e-commerce project manager.

Jira · Confluence · Scrum

mittelstand