Data Scientist, Retrieval & Agentic Systems

Department: Engineering

Location: Madrid

Compensation: €85,000 - €95,000 / year

Description

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.

Responsibilities

• 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

Qualifications

• A proven interest or experience in global security, financial crimes, sanctions, export controls, or related domains • 3+ years of experience…