Staff Machine Learning Engineer

This role is based in London or Stockholm, with flexibility to work within the European region.

What you'll do:

• Define and drive the ML technical strategy for Search, focusing on retrieval, ranking, and generative approaches.
• Build models that improve query understanding, personalization, and relevance across Spotify’s Search experiences.
• Collaborate with a cross-functional agile team spanning user research, design, data science, product management, and engineering.
• Prototype and productionize new modeling approaches at scale, serving hundreds of millions of users worldwide.
• Lead high-impact projects from ideation through deployment, setting best practices for ML development, testing, evaluation, and experimentation.

Who you are:

• You have a strong background in machine learning and recommender systems, bridging research and user impact.
• You have hands-on experience training and operating transformer models in production.
• You have production experience developing large-scale ML systems in Java, Scala, Python, or similar languages.
• You’re eager to apply emerging ML trends, particularly in LLMs and generative recommenders, to Spotify’s challenges.