Join as the first engineering hire building the foundational layer for automated knowledge work. Moving beyond thin AI wrappers, you will design systems that capture, structure, and automate complex enterprise workflows. Working directly with founders from top-tier Silicon Valley startups, you will own the retrieval and reasoning layers that power production-grade agents for global organizations.
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Founding AI Engineer at Marble AI
Join a Munich-based AI startup as their first engineering hire and build the infrastructure that allows AI to finally understand and run complex organizations. Backed by the investors behind UiPath and Revolut, this team of ex-Silicon Valley operators is moving beyond 'thin wrappers' to create a dataset of actual knowledge work. With a $4M pre-seed round and strong enterprise traction, this is a rare opportunity to secure founding equity and shape a generational technology company from the ground floor. If you have experience shipping production agents and want to work on deeply technical challenges, this is your next move.
About this role
Role overview
About the company
Marble AI
Software
Munich-based AI infrastructure startup backed by investors in UiPath, Revolut, and Wise
What you'll do
What you will do
- Design and implement multimodal data pipelines to structure noisy enterprise activity into reliable signals at scale.
- Build and optimize retrieval, embeddings, and reasoning layers to enable complex, long-horizon agent behavior in production.
- Collaborate directly with founders and enterprise customers to ship observable and trusted AI actions that impact real-world operations.
Who you are
Who this is a fit for
- Professional experience (1–6 years) shipping production AI systems involving retrieval, embeddings, VLMs, or autonomous agents.
- Strong architectural fundamentals in Python and FastAPI with the ability to manage high-volume data pipelines and cloud infrastructure.
- A founder mindset with the drive to own outcomes end-to-end and build systems designed to last for decades.
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Why this role
Why this role is remarkable
- Secure a founding-level equity stake (up to ~1%) in a company building generational infrastructure before institutional investors join.
- Join a team with pedigree from Sequoia and a16z-backed startups, bringing Silicon Valley ambition to the European deep-tech ecosystem.
- Build for a market where customers are so impressed by the early ROI that they have personally invested in the pre-seed round.
Jack & Jill
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
I recruit from Jack’s network and make the intro when I spot a great match.And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
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