Cori Clinical is the operating system behind better clinical trials. Cori builds the best-in-class AI platform for the entire trial startup: research, design, authoring, review, and amendments, so the science never waits on the process. Founded in 2025 by Jorn Jansen Schoonhoven (CEO, ex-Amazon, ex-IBM) and Patricio Fernández Weisson (CTO, ex-AstraZeneca, ex-Sanofi), and backed by leading investors.

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Why join:

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- Help redefine how clinical trials are run using AI, in one of the most important industries in the world,
- Work alongside a small team of exceptional engineers, operators, and clinical experts solving genuinely hard problems,
- High freedom for research and testing, with lots of green fields for your ideas,
- Build systems that don't just automate workflows, they accelerate getting new treatments to patients faster,
- Work directly with leadership and founders.

Values

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- High agency,
- Curiosity,
- Creativity,
- Accountability,
- Transparency.





Mission highlights
We are building an AI-guided system that accelerates clinical trials to speeds never seen before. So any organization, large or small, can get medicine to patients faster.

Reporting Line
Patricio, Co-Founder & CTO.

Responsibilities

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- Own AI-related technical decisions across the company and products,
- Design and build agent frameworks for complex, multi-step workflows,
- Go beyond RAG: tool use, structured outputs, multi-agent/multi-chain systems,
- Build eval and feedback loops (testing, scoring, iteration),
- Ship reliable, production-grade AI systems (accounting for latency, cost, and failure modes),
- Turn messy clinical processes into deterministic, auditable systems,
- Stay current with and experiment with SOTA technologies in the field.

Competencies

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- 5+ years of backend engineering experience, including 1-2+ years building LLM-based systems in production,
- Strong Python

📌 Senior AI Engineer (Barcelona)
🏢 Nabla
📍 Barcelona