Research Scientist - Personalization

Job summary

Responsibilities

The Personalization team makes deciding what to play next easier and more enjoyable for every listener. From Blend to Discover Weekly, we’re behind some of Spotify’s most-loved features. We built them by understanding the world of music and podcasts better than anyone else.

• Conduct original research in machine learning and AI, with a focus on large-scale foundation models, generative AI, and post-training methods, including reinforcement learning.
• Develop novel methodologies, models, and evaluation frameworks to advance personalization systems.
• Design and execute rigorous experiments to explore new ideas and validate research hypotheses.
• Contribute to the scientific community through publications, talks, and conference participation.
• Collaborate with cross-functional partners to translate research insights into long-term product opportunities.

What they're looking for

• You have a Master’s or PhD in machine learning, AI, or a related field, or equivalent research experience.
• You have demonstrated expertise in machine learning and artificial intelligence through peer-reviewed publications at conferences such as NeurIPS, ICLR, ICML, KDD, or RecSys.
• You have deep knowledge of machine learning, with hands-on experience in areas such as post-training and reinforcement learning for large models, reward design, large-scale…
• You are experienced in designing experiments and working with real-world datasets to validate research ideas.
• You care about advancing understanding of user behavior and improving experiences across music and talk content.