Senior Machine Learning Engineer - Personalization

What You'll Do:

• Design, train, and ship machine learning models that power recommendations on the Now Playing View
• Own ranking systems end-to-end, from experimentation and training pipelines to online serving and monitoring
• Build and iterate on generative and agentic ML approaches to improve session steering

Who You Are:

• You have hands-on experience building recommendation or personalization systems at scale
• You’re comfortable working across the ML stack, including pipelines, backend systems, and infrastructure
• You think in products and understand how model decisions impact user experience

Where You'll Be:

• This role is based in London
• We offer you the flexibility to work where you work best!
• There will be some in person meetings, but still allows for flexibility to work from home.