Hamburg, Germany

Hi, I'm Stephan.

Founder, software engineer, aerospace engineer by training.

For over ten years I've run verlingo, a B2B SaaS in HR-tech now used by 400+ companies across Germany. Alongside it I build open-source computer-vision tools and smaller AI products. Before all of that I managed aircraft production at Airbus. I write here about AI, aviation, and the gap between what we predict and what actually ships.

What I've built

The companies and tools I've founded, shipped, and still maintain — some are ten-year commitments, some are experiments that grew.

AI Media & Storytelling

Kreativbuch

A live product that turns your kid, a family member, or a made-up hero into the star of their own children's book — ordered as a PDF, softcover, or hardcover.

AI StorytellingPersonalized BooksImage Generation
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Automation & Business Engineering

Ausschreibungszentrale

Public tender portals in Germany are a mess to track. This turns them into actual dealflow — relevant matches, prioritization, alerts, and AI-assisted applications.

Tender AutomationSaaSSQLite
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AI Document Analysis

Zeugnisprofi

German work references are written in a coded language most people can't read. Upload yours and it translates the code into a plain grade, an explanation, and suggestions to improve.

AI AnalysisHR-TechDocument Workflows
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Open Source & Tools

Scanic

An open-source library for scanning documents right in the browser — edge detection and perspective correction, no server round-trip.

TypeScriptWebAssemblyRust
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AI Media & Storytelling

Luniko

An experiment in AI storytelling and immersive audio — personalized stories you listen to rather than read.

AI MediaAudio PlaysPrompt Systems
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Writing

Recent writing

Essays on AI, aviation, and mobility. Usually me thinking through something I'm not yet sure about.

2026-08-06

We Need to Talk About HAPS

A new class of aircraft is learning to sit still in the stratosphere for weeks at a time, working like a satellite without the rocket. Sceye and Airbus's Aalto are quietly turning that into an industry.

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2026-07-09

When the Chip Becomes the Model

Taalas is etching entire LLMs into silicon like a game cartridge. Etched just came out of stealth with working transformer ASICs and a billion dollars in contracts. The hardware side of inference is finally getting interesting and the endgame might be a frontier model humming quietly on your home server.

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2026-06-08

The New Language Barrier

Writing code with an AI agents can often feel like you are lost in translation. Why is that? What can we do about it?

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Say hello

Get in touch

Email is the fastest way to reach me. I read everything — especially about software, AI, or aviation.