Senior AI Research Scientist – NLP, Information Retrieval & LLMs (Spain Remote)

• Research, evaluate, and adapt state-of-the-art techniques to solve large-scale AI problems.

• Lead the development and application of machine learning innovations to complex business challenges with minimal supervision.

• Drive innovation in Information Retrieval, Product Matching, Recommendation Systems, NLP, and Generative AI.

• Assess the applicability of emerging research and identify opportunities for adoption across multiple business initiatives.

• Design and conduct advanced experiments and feasibility studies to guide technical strategy.

• Develop scalable, reproducible, and maintainable machine learning solutions and research frameworks.

• Collaborate with Applied AI and Engineering teams to enable adoption of research outcomes.

• Mentor and support other scientists and contribute to the technical growth of the team.

• Lead or contribute to scientific publications, patents, and conference submissions.

• Communicate technical vision, research findings, and strategic recommendations to stakeholders across technical and business functions.

• Promote engineering excellence, scientific rigor, and best practices across research initiatives.

EUR 70,000 per year

full-time

remote

We are a team of passionate, curious and diverse professionals who care about each other, our work, our company and the world. We are looking for someone who combines skill in machine learning with an ability to connect with people and see the wider context for a range of business problems.

You will be responsible for assessing state-of-the-art techniques, researching novel ideas to improve them and applying them to large scale problems, mainly in the domain of recommender systems and NLP (from semantic search to deep agentic deep research). To solve problems effectively, you will need to be able to build relationships and understand the business context in which we are operating. This position will suit someone who has a deep understanding of machine learning and is comfortable presenting clearly and winsomely to a non-technical audience.

NielsenIQ helps companies to meet the needs of people all over the world for food, health, hygiene, tech and durable products. Since 1923, NIQ has moved measurement forward for industries and economies across the globe. This position opens the opportunity to research and apply state-of-the-art AI/ML techniques to strategic global projects.