ph3Company Description /h3pWe 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. /ppYou 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. /ppNielsenIQ 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. /ph3Job Description /h3ulliResearch, evaluate, and adapt state-of-the‑art techniques to solve large-scale AI problems. /liliLead the development and application of machine learning innovations to complex business challenges with minimal supervision. /liliDrive innovation in Information Retrieval, Product Matching, Recommendation Systems, NLP, and Generative AI. /liliAssess the applicability of emerging research and identify opportunities for adoption across multiple business initiatives. /liliDesign and conduct advanced experiments and feasibility studies to guide technical strategy. /liliDevelop scalable, reproducible, and maintainable machine learning solutions and research frameworks. /liliCollaborate with Applied AI and Engineering teams to enable adoption of research outcomes. /liliMentor and support other scientists and contribute to the technical growth of the team. /liliLead or contribute to scientific publications, patents, and conference submissions. /liliCommunicate technical vision, research findings, and strategic recommendations to stakeholders across technical and business functions. /liliPromote engineering excellence, scientific rigor, and best practices across research initiatives. /li /ulh3Qualifications /h3ulliMaster’s,



or PhD in Computer Science, Artificial Intelligence, Machine Learning, Mathematics, Physics, or a related quantitative discipline. /lili7+ years of experience in Machine Learning, Deep Learning, or AI research. /liliDemonstrated expertise in training transformer-based models for Information Retrieval, Recommendation Systems, Product Matching, NLP, or related domains. /liliExperience training custom SLMs and /or small reasoning models. /liliAdvanced experience with Python, PyTorch, Hugging Face, Pandas, Scikit-learn, and Git. /liliStrong experience with Transformer architectures, embeddings, and representation learning. /liliExperience with vector databases (e.g., FAISS, ChromaDB, Pinecone) and retrieval-based systems. /liliAbility to understand, evaluate, and extend ideas from scientific literature. /liliStrong analytical, problem-solving, stakeholder management, and communication skills. /liliProven ability to independently drive research initiatives from concept through adoption. /li /ulh3Good to Have /h3ulliPhD in a relevant field. /liliPublications in leading conferences (e.g., ACL, EMNLP, SIGIR, KDD, NeurIPS, ICML, ICLR, RecSys). /liliExperience mentoring researchers or leading technical initiatives. /liliExperience with RAG architectures, LLMs, and agent-based frameworks. /liliExperience with Knowledge Graphs. /liliExperience in retail, consumer intelligence, ecommerce, or FMCG domains. /liliExperience with Databricks, SQL, Elasticsearch. /li /ulh3Additional Information /h3pSalary: 55.300– €70.000 gross per year. This role might also be eligible for a performance-based bonus. Placement within the range will depend on objective criteria including experience, skills, and internal equity considerations. We are committed to equal pay and pay transparency. Remuneration decisions are made using gender-neutral and objective criteria. /ph3Employees enjoy a Home Office working model (Spain-based), with occasional team meetings at the Madrid office.



/h3h3Our Benefits /h3ulliFlexible working environment /liliVolunteer time off /liliLinkedIn Learning /liliEmployee-Assistance-Program (EAP) /li /ulpNIQ may utilize artificial intelligence (AI) tools at various stages of the recruitment process, including résumé screening, candidate assessments, interview scheduling, job matching, communication support, and certain administrative tasks that help streamline workflows. These tools are intended to improve efficiency and support fair and consistent evaluation based on job-related criteria. All use of AI is governed by NIQ’s principles of fairness, transparency, human oversight, and inclusion. Final hiring decisions are made exclusively by humans. NIQ regularly reviews its AI tools to help mitigate bias and ensure compliance with applicable laws and regulations. If you have questions, require accommodations, or wish to request human review were permitted by law, please contact your local HR representative. For more information, please visit NIQ’s AI Safety Policies and Guiding Principles: /ph3About NIQ /h3pNIQ is the world’s leading consumer intelligence company, delivering the most complete understanding of consumer buying behavior and revealing new pathways to growth. In 2023, NIQ combined with GfK, bringing together the two industry leaders with unparalleled integral reach. With a holistic retail read and the most comprehensive consumer insights—delivered with advanced analytics through state-of-the‑art platforms—NIQ delivers the Full View™. NIQ is an Advent International portfolio company with operations in 100+ markets, covering more than 90% of the world’s population. /ppFor more information, visit NIQ.com /ph3Our commitment to Diversity, Equity, and Inclusion /h3pAt NIQ, we are steadfast in our commitment to fostering an inclusive workplace that mirrors the rich diversity of the communities and markets we serve. We believe that embracing a wide range of perspectives drives innovation and excellence. All employment decisions at NIQ are made without regard to race, color, religion, sex (including pregnancy, sexual orientation, or gender identity), national origin, age, disability, genetic information, marital status, veteran status, or any other characteristic protected by applicable laws. We invite individuals who share our dedication to inclusivity and equity to join us in making a meaningful impact. To learn more about our ongoing efforts in diversity and inclusion, please visit the /p /p #J-18808-Ljbffr

📌 Senior AI Research Scientist – NLP, Information Retrieval & LLMs (Spain Remote) (Madrid)
🏢 Tamarind Intelligence
📍 Madrid