Senior Research Scientist (Applied Research - Scalable AI/ML Solutions, SLMs & GenAI)

NielsenIQ • Valladolid, Castile and León • Posted June 19, 2026

About the Role

Job Description

Focus: Researching scalable AI/ML solutions, with particular emphasis on Small Language Models (SLMs), GenAI systems, and research approaches that can transfer effectively into real-world applications.

  • Strong background in applied machine learning / AI research
  • Deep hands-on experience with Python and modern ML / deep learning frameworks
  • Strong understanding of model design, experimentation, and evaluation
  • Experience working with GenAI systems and language models
  • Strong interest in Small Language Models (SLMs), LLMs, and practical AI system design
  • Ability to design research with real-world constraints in mind, including scalability, efficiency, and usability
  • Strong communication skills and ability to engage with technical and non-technical stakeholders in English

Nice to Have:

  • Experience with model deployment, system scalability, or performance optimizatio...