Machine Learning Engineer optimizing personalization systems for Spotify's audio streaming service. Collaborating with cross-functional teams to enhance user experience and deliver recommendations.
Responsibilities
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 context, and deliver impactful solutions
Work across ML, backend, and data layers to bring models into production
Contribute to scalable infrastructure supporting high-volume user interactions
Run experiments and use insights to continuously improve performance
Help shape technical direction and raise the bar for engineering excellence within the team
Requirements
5+ years of experience in machine learning, data, or backend engineering
Experienced with production-grade systems and scalable architectures
Worked on recommendation systems, ranking, or optimization problems
T-shaped skillset across ML, data, and backend domains
Comfortable navigating ambiguity and solving complex problems
Care about user experience and measurable impact
Enjoy collaborating across disciplines and geographies
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