Research Scientist - Personalization

Spotify
London
Workplace: RemoteFull timeFunction: Data Science & Machine LearningEducation: phdSkills: ["Curiosity","Creativity","Collaboration","Mentorship","Thoughtful problem-solving"]

Conduct original machine learning and AI research to advance large-scale foundation models and post-training methods, including reinforcement learning, for personalization. Develop novel methodologies, models, and evaluation frameworks, then design and execute rigorous experiments using real-world datasets to validate research hypotheses. Publish and present findings, collaborate cross-functionally to translate insights into product opportunities, and help shape a forward-looking research agenda while mentoring others.

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FursaFursa
Spotify
Spotify
1 day ago

Research Scientist - Personalization

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Source: Company careers pageValidated by: Fursa AI
Last checked: 15 hours agoStatus: Live
Reposted: similar role first listed 1 year ago

Job Summary

Conduct original machine learning and AI research to advance large-scale foundation models and post-training methods, including reinforcement learning, for personalization. Develop novel methodologies, models, and evaluation frameworks, then design and execute rigorous experiments using real-world datasets to validate research hypotheses. Publish and present findings, collaborate cross-functionally to translate insights into product opportunities, and help shape a forward-looking research agenda while mentoring others.
Location: London
Workplace: Remote
Employment Type: Full time
Job Function: Data Science & Machine Learning
Seniority: Mid level

Key Responsibilities

  • •Conduct original ML/AI research focused 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; help define and evolve the research agenda and mentor others.

Key Requirements

  • •Hold a Master’s or PhD in machine learning, AI, or a related field, or have equivalent research experience.
  • •Have demonstrated ML/AI expertise via peer-reviewed publications at conferences such as NeurIPS, ICLR, ICML, KDD, or RecSys.
  • •Have deep, hands-on knowledge of machine learning, including post-training and reinforcement learning for large models, reward design, distributed training, or model evaluation.
  • •Be experienced in designing experiments and working with real-world datasets to validate research ideas.
  • •Care about advancing understanding of user behavior and improving experiences across music and talk content.
Education:PhD / Doctorate
Skills:CuriosityCreativityCollaborationMentorshipThoughtful problem-solving
Tech Stack:Machine learningArtificial intelligenceLarge-scale foundation modelsGenerative AIReinforcement learningPost-trainingReward designLarge-scale distributed trainingEvaluation

Company Brief

Spotify
Provides a music, podcast and audio streaming service offering on-demand access to millions of tracks and podcasts, personalized recommendations, and advertising and subscription-based tiers for listeners and creators worldwide.
Industry: Streaming Platforms
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: Stockholm, Sweden
Founded: 2006
Glassdoor
Glassdoor: 4.1
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