The people

The minds behind extrain.io.

A small, experienced team of engineers and AI researchers who genuinely love the craft — and care about the impact of the software we build.

Dr. Benjamin Hippchen

Dr. Benjamin Hippchen

CEO & Software Architect

Benjamin is an experienced software architect and senior backend engineer. He designs robust system architectures and brings the expertise that keeps our backend stable and scalable.

System DesignBackendArchitecture
Dennis Schlehuber

Dennis Schlehuber

CEO & Fullstack Engineer

Dennis works as a senior fullstack engineer across both frontend and backend. His long experience lets him translate complex requirements into shipped code, efficiently.

Fullstack ExpertFrontendBackend
Dr. Pascal Giessler

Dr. Pascal Giessler

CEO & AI Expert

Pascal is an AI expert and software architect with deep experience in machine learning. He builds tailored AI solutions.

AIMachine LearningArchitecture
Julian Krämer

Julian Krämer

Fullstack Engineer

FullstackUI/UXAI
Leo Schwarzkopf

Leo Schwarzkopf

Fullstack Engineer

FrontendUI/UXHCI
Dominic Buchheit

Dominic Buchheit

Senior Software Engineer

BackendSystem Design
Julius Arzberger

Julius Arzberger

Fullstack Engineer

FrontendUI/UXHCI

What we believe

Our values guide every decision.

Craft over speed

We believe the fastest path to production is code that doesn't need to be rewritten in six months.

Domain first

Every technical decision should reflect the language and logic of the business — not the other way around.

Honest communication

No false promises. We tell you what's hard, what's risky and what's possible — clearly and early.

AI as leverage

We use AI tools to multiply capacity and quality — but human judgement leads every critical decision.

Want to work with us?

We're always looking for talented engineers who share our values. Or just reach out about a project — we'd love to talk.

Get in touch
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