Location: Madrid, Spain Annual Remuneration: €85,000 - €95,000 and discretionary annual bonus Pay Frequency: Monthly Probationary Period: 180 days Work Arrangement: Hybrid, 3-days per week TL;DR Kharon is seeking a full-time Data Scientist, Retrieval & Agentic Systems based in Madrid. * Owning and evolving Corestream, Kharon's risk intelligence feed — a dynamic platform that surfaces entity-level insights and topic-based risk narratives to customers * Redesigning and improving Kharon's semantic search capabilities, opening new avenues for content discovery — drawing on modern approaches including BM25 tuning, semantic distance, RAG, and reranking * Integrating Kharon's risk analysis outputs into the search layer, ensuring that graph-based insights surface meaningfully within search results and sub-network exploration * Driving the evolution of Kharon's narrative generation pipeline — how we take graph and analytical data and transform it into compelling,



accurate written intelligence for customers * Partnering with Product and Engineering to take ownership of the Corestream roadmap and push it to its next stage * Tweaking and optimizing the metrics that define search quality and narrative relevance * A proven interest or experience in general security, financial crimes, sanctions, export controls, or related domains * 3+ years of experience in a Data Science or AI Engineering role * Hands-on experience with semantic search — including familiarity with BM25, vector search, reranking, and retrieval evaluation * Experience with RAG pipelines and working with agentic systems in production * Proficiency in Python and SQLStrong product alignment — able to read a roadmap, take ownership of tickets, and drive initiatives forward independently * Bonus: Experience with graph-aware search or integrating knowledge graph outputs into retrieval systems #J-18808-Ljbffr

📌 Data Scientist, Retrieval (Comunidad de Madrid)
🏢 Kharon
📍 Comunidad de Madrid