Hagen Hübel
Founder & CTO Analyzing Neighborhoods Location Intelligence
Berlin, Germany
Summary
🤩
RockstarHagen Hübel is a Berlin-based founder and CTO with 11 years of experience building data-driven platforms, cloud-native payment systems, and blockchain tokenization products. He architects end-to-end stacks—Go, NodeJS, PHP, React Native/Flutter mobile, and Postgres/MySQL—while also shipping LLM integrations and RAG-powered services. As founder of NestFainder he combines geospatial, climate and socio-cultural datasets into hyper-local location intelligence, and previously led tokenforge where he co-authored ERC standards for compliant security tokens. He routinely advises VCs on technical due diligence and has hands-on credibility as an early engineer and CTO across multiple startups, from AI news aggregation to eMoney systems. An active open-source contributor, he improved React Native filesystem handling for cross-platform media assets, demonstrating attention to platform edge-cases that matter in production. Practical, multidisciplinary and legally aware, he blends product-first engineering with deep systems and blockchain expertise.
11 years of coding experience
31 years of employment as a software developer
English, German
Stackoverflow
12,079reputation
1.2mreached
108answers
103questions
react-native
top-1%
go
top-5%
Github Skills (16)
mobile10
objective-c10
swift10
filesystem10
ios10
react-native10
go9
xcode6
git6
php6
javascript6
android6
symfony6
mysql6
react6
Programming languages (21)
Github contributions (5)
itinance/react-native-fs
Apr 2017 - May 2022
Native filesystem access for react-native
Role in this project:
Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:33 releases, 272 commits, 154 PRs in 5 years 1 month
Contributions summary:Hagen primarily contributed to the React Native filesystem access library, enhancing its functionality. Their work involved adding support for retrieving and handling file creation and modification dates across iOS, Android, and updating the file system to accommodate this information. They also addressed a bug related to date formatting within the iOS code. Furthermore, the user introduced new features, including the `copyAssetsFileIOS` and `copyAssetsVideoIOS` methods, to support asset-library file transfers from the camera roll on iOS devices.
downloadreact-nativereactfilesystem
itinance/react-native-sha256
May 2017 - Nov 2022
sha256 natively for react-native
Contributions:9 releases, 61 commits, 24 PRs in 5 years 7 months
react-nativehash-algorithmsha256react
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.