Senior AI Research Scientist: NLP, IR & LLMs

NielsenIQ is seeking a senior ML researcher to advance state-of-the-art AI techniques for information retrieval, product matching, and NLP, applying them to large-scale business problems. You will design experiments, lead ML innovations, and collaborate with Applied AI and Engineering teams to translate research into scalable solutions, with mentorship responsibilities.

The role is based in Spain with a home-office model and occasional Madrid meetings.