Machine Learning Engineer, Personalization

Job description

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. Join us and you’ll keep millions of users listening by making great recommendations to each and every one of them. Samba sits at the heart of Spotify’s personalization engine, powering experiences like autoplay, radio, and personalized mixes. We work on complex sequencing and optimization problems—balancing what users love with how Spotify supports creators and the business. Our team blends machine learning, backend engineering, and data expertise, and collaborates across North America and Europe to deliver impactful, real-time personalization at scale. What You'll Do: - Design and build machine learning systems that optimize ranking and sequencing across personalized surfaces - Develop multi-objective optimization strategies that balance user satisfaction with business outcomes - Collaborate closely with cross-functional partners including product, data science, and engineering teams to align on goals, share co...