Senior Machine Learning Engineer, Personalization, Rewards

What You'll Do

• Contribute to designing, scaling/building, evaluating, integrating, shipping, and refining reward signals for recommendations by hands-on ML development.
• Lead collaborations and align across PZN to integrate and A/B test mid-term signals in various recommendation and discovery systems.
• Promote and role-model best practices of ML systems development, testing, and evaluation throughout the organization.
• In your first 6 months, you will be responsible for ML development: prototyping models, building pipelines, productizing/scaling models, and launching A/B tests for personalized generative recommendations at Spotify.

Who You Are

• You have a strong background in machine learning and enjoy applying theory to develop real-world applications.
• Reinforcement Learning (RL) expertise is key, and experience in RL for recommendations is a must have.
• Expertise in statistics and optimization, especially in sequential models, transformers, generative AI, large language models (LLMs are a plus), and relevant fine-tuning processes.