Kharon

AI Engineer, Retrieval & Agentic Systems

Kharon
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2 months ago
Madrid, SpainMid Level

Responsibilities

  • Own and evolve Corestream, Kharon’s risk intelligence feed.
  • Redesign and improve semantic search using BM25 tuning, semantic distance, RAG, and reranking.
  • Integrate risk analysis and graph-based insights into search results and sub-network exploration.
  • Drive the evolution of the narrative generation pipeline transforming graph and analytical data into written intelligence.
  • Partner with Product and Engineering on the Corestream roadmap and independently drive initiatives.
  • Optimize metrics for search quality and narrative relevance.

Requirements

  • At least 3 years of experience in a Data Science or AI Engineering role.
  • Hands-on semantic search experience, including BM25, vector search, reranking, and retrieval evaluation.
  • Experience with RAG pipelines and agentic systems in production.
  • Proficiency in Python and SQL.
  • Proven interest or experience in global security, financial crimes, sanctions, export controls, or related domains.
  • Strong product alignment and ability to independently own tickets and initiatives.
  • Experience with graph-aware search or integrating knowledge graph outputs into retrieval systems is a bonus.

Benefits

  • Annual remuneration of €85,000–€95,000 plus a discretionary annual bonus.
  • Monthly pay frequency.
  • Full-time hybrid work arrangement with three days per week in the office in Madrid.
  • 180-day probationary period.

Tech Stack

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Kharon

About Kharon

51-200 employees
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