
Zeno turns legal information into actionable insight, streamlining research and document analysis for modern legal teams and firms. Work smarter, scale your legal expertise, and create space for what truly matters.

Zeno turns legal information into actionable insight, streamlining research and document analysis for modern legal teams and firms. Work smarter, scale your legal expertise, and create space for what truly matters.
Headquarters: Netherlands (Rotterdam)
Product: AI-driven legal intelligence platform for research, document analysis and drafting
Founded: 2024
Seed funding: €2M (Apr 22, 2025) led by Chris Oomen
Team size: ~22–26 employees
Legal research, contract review, due diligence, and document analysis for law firms and legal teams.
2024
Information Services
€2M
“Led by Chris Oomen (founder of Optiver)”
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We’re building a world-class team to redefine knowledge work with AI Zeno is a legal AI startup building a platform that helps lawyers research, review, and draft documents with real legal reasoning — not just text prediction. We’re developing technology that can:
Where most tools automate surface-level tasks, we’re focused on replicating the way lawyers actually think through legal problems, making depth and trust the foundation of everything we build.
You’re joining an early-stage startup that is already working with leading firms. Backed with €3M in seed funding, we’re now scaling a team of engineers and thinkers who want to solve real problems, drive innovation, and create lasting change in the legal sector.
About The Role As a Staff Data Engineer — Entity Resolution & Identity , you will build and own the core systems that power Zeno’s data and AI platform. Your work sits at the heart of the product: determining what is the same, what is different, what is a version, and how those decisions evolve over time.
This role is centered on hard engineering problems. You’ll work with large volumes of unstructured and semi-structured legal data from many sources, formats, jurisdictions, and time periods. You’ll design systems that can evolve without constant reprocessing, where every decision is explainable, reversible, and traceable.
You operate at senior-to-staff level and take ownership of long-lived, mission-critical infrastructure where correctness, performance, and maintainability matter deeply.
What You’re Working On What you’ll build
You’ll build systems that can reliably answer:
Constraints you’ll work under:
Who You Are
You think naturally in terms of:
Nice to have
Why this role This is not a role focused on maintaining pipelines. You will design and build systems that do not yet exist as standard solutions in a domain where data identity, correctness, and evolution over time are exceptionally challenging.
The ride from startup to scale-up means things will break, and there won’t always be a playbook. You’ll wear multiple hats, ship fast, and learn faster. If you thrive on ownership, speed, and building from zero, you’ll love it here.
The ride from startup to scale-up Things will break, priorities will shift, and there won’t always be a playbook. You’ll wear multiple hats, ship fast, and learn faster. Some weeks will feel chaotic, some problems will feel bigger than your role. That’s the nature of the ride from startup to scale-up: if you need stability and structure, this won’t fit. But if you thrive on ownership, speed, and building from zero, you’ll love it here.
Why join us
Shape the future of legal work with us.