Things I've Built
From weekend experiments to €11M systems - here's what actually happened
HoFT OS - My AI Learning Lab
Where I figured out how to build with Claude Code
Started as a way to learn Claude Code. Ended up building an entire operating system for internal operations. Now I can build pretty much anything.
Key Technologies
Key Results
- Can now code 10x faster with AI
- Built prototypes that actually work
- Learned how to make microservices play nice
- Created the foundation for something bigger
- Proved AI coding isn't just hype
“Give me AI tools and 4 hours, and I'll build you a working prototype. The future is already here.”Me, after 6 months of learning, AI-powered builder
This Website You're Looking At
Built on a rainy day, optimized ever since 🐾
Started building this on a boring rainy day. Learned more about web performance in one weekend than in years of reading docs.
Key Technologies
Key Results
- 60x performance improvement after optimization
- Learned the importance of library curation
- Created a delightful AI chat experience
- Built a personal brand that reflects personality
- Discovered: less is more in web development
“60x performance improvement by just removing stuff. Best lesson ever: most libraries are bloat you don't need.”Me, after deleting 15 dependencies, Performance obsessed
Gamescom - 30K Gamers Connected
Built matchmaking for Europe's biggest gaming event
Built an app that helped 30,000 gaming professionals find each other at Gamescom. Learned a lot about what works (and what doesn't) in B2B communities.
Key Technologies
Key Results
- 30,000+ registered users
- Matchmaking feature adopted well
- Valuable learnings on community building
- Event app functionality successful
“The matchmaking worked great. The community features? Let's just say I learned why LinkedIn exists.”Honest reflection, Learning from reality
DMEXCO - From Chaos to Clarity
Turned 20 broken tools into 1 system that works
Led the operational side of DMEXCO's complete digital overhaul. Coordinated 50+ people using Asana to transform a mess into a modern system.
Key Technologies
Key Results
- 70% reduction in operational overhead
- Successfully coordinated 50+ people via Asana
- Unified 20+ tools into integrated ecosystem
- Seamless integration of legacy systems with modern SaaS
Made.com - €11M Marketing Machine
Built the system that spent money wisely
Built a system to manage €11M in ad spend across Europe. Every euro tracked, every click measured, 35% better results.
Key Technologies
Key Results
- 35% improvement in ROAS
- €11M budget managed efficiently
- Expanded to 5 new markets
- Reduced CAC by 28%
“35% improvement in returns just by knowing where every euro went. Data beats gut feeling every time.”The numbers, Speaking for themselves
Where I've Worked
From nightclubs to enterprise software - it's been interesting
hoft.berlin
Project Lead Data & IT Ecosystem Architect
- Exploring AI-native development with Claude Code
- Building knowledge operations system prototype
- Learning microservices orchestration patterns
Stayko Ventures
Supervisor & Project Lead
- Event platform for Messe Hamburg (SMM/WindEnergy)
- 300 Jira tasks from setup to debriefing
- B2B community automation for HNW individuals
Koelnmesse GmbH
Event Brands:
Project Lead Data + IT DMEXCO/gamescom
- Modernized 20+ tools to SaaS ecosystem
- Built gamescom B2B community: 30K+ gaming pros
- 89% active users, 5.5 contacts/user engagement
Quadriga Media
Team Lead Portals
- Consolidated 100+ web domains
- GDPR-compliant HubSpot Enterprise setup
- Led 8-person content team
Made.com
Senior Online Marketing Manager
- €11M annual marketing budget management
- Co-founded German office as 2nd employee
- Built ROI monitoring with funnel.io API
commercetools
Online Marketing Manager B2B
- Demand generation for cloud commerce platform
- Salesforce Pardot implementation
- Now valued at €2B+ leading e-commerce
Daily Deal GmbH
Channel Manager
- Category management with Salesforce & Magento
- Google acquisition experience
- Cross-functional team collaboration
Cocoonclub
Project & Marketing Manager
- 100 events/year for Sven Väth
- Multi-event marketing campaigns
- Started during university studies
What I'm Proud Of
Transformed a Giant
Took a traditional German company from paper to digital in 5 years
Led Real Teams
Got 40+ people to work together and actually enjoy it
AI Pioneer
Started using AI before it was cool - 20K+ tasks completed
Got a Challenge?
Whether it's fixing what's broken or building something new - let's talk about how I can help.