Hi. I’m Hagen.

CTO, [Co-]-Founder and passionate Software Engineer

In a nutshell:

> 1000 contributions to GitHub per year at the time of writing

> built the world’s first fully automated news-agency

> founder and co-founder of more than 5 companies
incl. one exit

> released the very first React Native app into the Apple AppStore
and Google PlayStore, April 2016, zizzle.io

> developed the very first Smart Contract for Security Tokens according to eWpG
(German Electronics Securities Act, for tokenforge GmbH/Berlin)

> 30 yrs of experience in software development, > 10 yrs as CTO

Latest Work

Building nestfainder.ai

2026/01/01: 💥Currently building nestfainder.ai.

NestFainder condenses months of relocation research into moments. We analyze neighborhoods across 100,000+ global locations using 21+ data sources to match users with places where they’ll truly thrive.

Relocation decisions, finally made with clarity. NestFainder uses AI and global data to match people with locations that fit their lifestyle, values, and future plans — down to the district level.

Founder & CTO at infobud.ai

2024/01/01 - 2025/12/31: 💥infobud.ai / infobud.news is an AI-driven, fully automated news publisher and news aggregator that simplifies global news by offering customizable feeds in all languages — delivering tailored insights into tech, finance, politics, and more. Four times a day, our AI agents write news articles based on the topics most relevant to you.

Web + LinkedIn + LinkedIn Anncouncement 1 + LinkedIn Announcement 2

We’ve all experienced how mainstream news platforms tend to be overwhelmed by a few dominating stories, causing us to miss out on other significant developments. To address this, I imagined a news platform governed not by the whims of editorial teams but by an intelligent algorithm - promoting unbiased and diversified news coverage. Enter infobud.ai and infobud.news.

Deep Learning Machine Learning Natural Language Processing AI RAG Vector Database Go NodeJS Python PostgreSQL DevOps News Podcast Team Building Software Architect

Avalanche SubNets, Custom Chain / AppChain

2023/05/01: 💥 Why And How We Built Our Own Blockchain for effortless Building, Testing and Token Abundance: Twitter + Article on LinkedIn

Thanks to Avalanche SubNets and Blockscout we are running our own EVM.

Avalanche SubNet Blockscout Kubernetes DevOps

SmartContracts for a Security Token (eWpG)

2023/06/01: Building SmartContracts for a Security Token, which covers the regulatory requirements of the German Electronics Security Law (“eWpG”) fully on-chain, together with a d’App to manage the SmartContracts, permission, rules and token minting.

Solidity Avalanche SmartContracts SecurityToken HardHat

SmartContracts for ReFi-Startup Below2, USA

2022/07: Building SmartContracts for offsetting Carbon credits providing token retirement in carbon vaults. Full test coverage built with hardhat. GitHub

Solidity Polygon SmartContracts ReFi HardHat

Get in Touch