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Google DeepMind · Mountain View
Research Scientist, Recommendation Systems
1/13/2026
Description
As a Research Scientist, you will have the opportunity to build new paradigms using Large Language Models, harnessing the advanced content understanding, long-context, and reasoning capabilities. You will play a pivotal role in exploring how to integrate data from recommendation domains into foundation models, enabling new capabilities through data curation, Supervised Fine-Tuning (SFT), Reinforcement Learning (RL) training, and more.
Key responsibilities:
Research and develop key technologies such as Semantic IDs, generative retrieval/ranking, large user models.
Build prototypes to demonstrate the "art of the possible" for recommendation systems using the newest AI advances.
Work closely with product teams to translate research breakthroughs into deployed solutions for flagship products, tackling real-world challenges at an industrial scale through new recipes.
Qualifications
PhD in Machine Learning, Computer Science, or a relevant field (or equivalent practical research experience).
A proven track record of research excellence (e.g., publications at top-tier venues like NeurIPS, ICML, ICLR, or significant industry contributions), ranging from recent graduates to experienced researchers.
Strong software engineering skills to complement your research background.
Proven track record of building recommender / search systems and/or successfully deploying novel deep learning algorithms at industrial scale.
Skilled in LLM post-training algorithms and infra, with proficiency in JAX.
Strong communication skills with a demonstrated ability to drive cross-functional projects and collaborate effectively across organizational boundaries.