ppCori 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. /p h3Why join: /h3 ul liHelp redefine how clinical trials are run using AI, in one of the most important industries in the world, /li liWork alongside a small team of exceptional engineers, operators, and clinical experts solving genuinely hard problems, /li liHigh freedom for research and testing, with lots of green fields for your ideas, /li liBuild systems that don't just automate workflows, they accelerate getting new treatments to patients faster, /li liWork directly with leadership and founders. /li /ul h3Values /h3 ul liHigh agency, /li liCuriosity, /li liCreativity, /li liAccountability, /li liTransparency. /li /ul h3Mission highlights /h3 pWe 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. /p h3Reporting Line /h3 pPatricio, Co-Founder CTO. /p h3Responsibilities /h3 ul liOwn AI-related technical decisions across the company and products, /li liDesign and build agent frameworks for complex, multi-step workflows, /li liGo beyond RAG: tool use, structured outputs, multi-agent/multi-chain systems,



/li liBuild eval and feedback loops (testing, scoring, iteration), /li liShip reliable, production-grade AI systems (accounting for latency, cost, and failure modes), /li liTurn messy clinical processes into deterministic, auditable systems, /li liStay current with and experiment with SOTA technologies in the field. /li /ul h3Competencies /h3 ul li5+ years of backend engineering experience, including 1-2+ years building LLM-based systems in production, /li liStrong Python backend engineer (FastAPI, infrastructure, data structures), /li liReal, hands-on experience with LLMs in complex, agent-based workflows, not just API calls to a foundation model, /li liComfortable guiding decisions on LLM/SLM fine-tuning strategy, /li liTrack record shipping multi-step/agentic systems to production, not just prototypes, /li liExperience with evals, observability, and system reliability practices, /li liSolid ML/NLP fundamentals, /li liPrior experience in a startup or fast-paced environment strongly preferred, /li liFully fluent in English (mandatory). /li /ul pStack: Python, FastAPI, LangGraph, Postgres, Vector DBs, GCP/AWS, Docker /p h3Recruitment process /h3 ul liScreening with Patricio (Cofounder CTO), /li liCase study, /li liDebrief with Cori engineers, /li liFinal interview with Emma (Chief Clinical Officer) and Jorn (Cofounder CEO). /li /ul h3Compensation benefits /h3 ul li90-95K (EU) + equity, /li liHybrid 3 days in-office / Barcelona, /li liHealth insurance, /li liLunch vouchers through Cobee. /li /ul /p #J-18808-Ljbffr

📌 Senior AI Engineer - @Cori (Barcelona)
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📍 Barcelona