What you'll do

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

What you'll get

Kharon operates at the nexus of global security and is on a mission to revolutionize the current landscape. We take complex data as it relates to global security and empower our clients to not only understand the risk associated with their potential business relationships but to operationalize that data so that they can make the best and most informed decisions possible.

From financial crimes and sanctions to export controls and threat identifications, our tools optimize protection against the types of risks that could otherwise be incredibly dangerous and excessively costly to any business. Serving many of today’s leading global financial and multinational institutions, Kharon products are the most powerful in the space with a precision and depth that is absolutely unparalleled.

When you look at any major global crisis event, we’re providing intelligence that’s at the heart of those circumstances. We connect the dots in a way that’s meaningful. As the world continues to evolve in complexity, so too does the demand for our products. Given the significance of our work and the increasing global reliance on our insights, we are looking for a AI Engineer, Retrieval & Agentic Systems to join us as we work to shape the way businesses perceive and navigate global risks.

Disclosures

Kharon is committed to cultivating and maintaining a workplace that is free from harassment and discrimination. All qualified applicants will receive consideration for employment without regard to race, religion, color, national origin, ethnicity, gender, gender identity or expression, sexual orientation or identity, neurodiversity, appearances, age, protected veteran status, or status as a qualified individual with disability.

If you require any adjustment to participate in the recruitment process, please contact apply@kharon.com. You must have the right to work in Europe and Spain. Kharon is unable to offer visa sponsorship for this role.

By applying for this position, you acknowledge that Kharon will process your personal data for recruitment purposes in accordance with applicable data protection laws, including the EU General Data Protection Regulation and Spanish data protection legislation. For information about how we collect, use, store, and protect your personal data, please review our Candidate Privacy Notice at https://jobeax.com/link/NRUmnVJy5ZIQ6IgR. You have the right to access, correct, or request deletion of your data, to object to or restrict its processing, and to lodge a complaint with the Spanish data protection authority, the AEPD, at https://jobeax.com/link/Ny4Jf3fBR9x0dQf7. To exercise your rights, contact us at apply@kharon.com.

If your application is unsuccessful, your data will be retained for up to 12 months before being securely deleted. If you accept a role, your data will transfer to your employee record.

#LI-AG1 #LI-Hybrid

Job 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 AI Engineer, Retrieval & Agentic Systems based in Madrid.

Skills & Expertise

A proven interest or experience in global 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 SQL
Strong 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

AI Engineer, Retrieval & Agentic Systems

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