As a technology partner for medium-sized businesses, agencies, corporations, and public institutions, we support our clients throughout the entire lifecycle of digital products – from idea to operation.
We work full-stack, multi-disciplinary, and solution-oriented.
We believe in strong engineering craftsmanship. That’s why we approach projects in a structured way – with clear architecture, iterative development, and thorough quality assurance. Our solutions integrate seamlessly into existing systems and are maintainable, future-proof, and accessible.
We combine engineering excellence with digital innovation. What sets us apart is not only our expertise, but also how we work. We are not a loose developer collective or an anonymous systems house. We are a team that knows and trusts one another – and takes responsibility.
Then. Now. Next.
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Full-Stack, Data & AI
NEXT
Building what’s next
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Founding of k3b GmbH
The Founders
Marc Holtbecker
Managing Director
Jens Schumann
Co-Founder
Marco Di Sarno
Chief Data Scientist | Co-Founder
The Team
”Proud when we surpass clients expectations.”
Jonas, Software Engineer
”Best moments: solving problems together!”
Felix, Software Engineer
”Customer vision over mindless feature shipping.”
Samuel, Working Student – Software Engineering
”Come for the skillset, stay for the team!”
Marc, Managing Director
Network
The Kube Group
We are an independent partner within the Kube Group – a network of companies combining engineering, data, and digital expertise.