Senior AI Scientist: LLMs, NLP & Knowledge Discovery

RELX; Amsterdam; On-site; EUR 59,000 - 99,000; Full time

Job summary

Elsevier in Amsterdam is seeking a leader in AI/ML to design and deliver advanced AI, NLP, and generative AI solutions powering knowledge discovery. You will work with complex scientific data and apply modern ML and LLM-based approaches to build scalable, reliable systems with real user impact.

Collaboration across teams turns challenges into production-ready solutions. You will write production-ready Python code, mentor colleagues, and help deploy solutions at scale while establishing robust

Qualifications

• Experience in data science, AI, ML, NLP, or related quantitative field.
• Hands-on experience building AI/ML, NLP, and retrieval-based systems in product-focused environments.
• Expertise with LLMs, fine-tuning, prompting, grounding strategies, and responsible AI.
• Strong Python skills and solid machine learning fundamentals.
• Experience with large-scale text datasets and modern ML frameworks.
• Experience with RAG, semantic or vector search and evaluation approaches.
• Familiarity with cloud platforms and modern software engineering practices.
• Strong communication and mentoring skills.

Responsibilities

• Design, build, and evaluate advanced AI/ML, NLP, and generative AI solutions for scientific and knowledge-discovery applications.
• Develop LLM-powered workflows and retrieval-augmented generation (RAG) systems for search, summarization, question answering, and evidence-grounded insight generation.
• Build intelligent retrieval, ranking, recommendation, and decision-support capabilities using modern orchestration frameworks and AI techniques.
• Integrate scientific metadata, ontologies, taxonomies, and knowledge assets into scalable AI workflows.
• Establish robust evaluation, experimentation, and monitoring frameworks to ensure quality, trust, performance, and reliability.
• Write production-ready Python code and partner with engineering teams to deploy solutions at scale.
• Provide technical leadership and mentoring to support high-quality delivery and continuous improvement.

Skills

AI/ML

NLP

LLMs

RAG workflows

Python

Information retrieval

Cloud platforms

Experimentation

Mentoring

Job description

Elsevier in Amsterdam is seeking a leader in AI/ML to design and deliver advanced AI, NLP, and generative AI solutions powering knowledge discovery. You will work with complex scientific data and apply modern ML and LLM-based approaches to build scalable, reliable systems with real user impact.

Collaboration across teams turns challenges into production-ready solutions. You will write production-ready Python code, mentor colleagues, and help deploy solutions at scale while establishing robust