Senior Machine Learning Engineer
Core
Build moment-based personalized music and podcast experiences (Home Shortcuts) for millions of listeners using recommendation systems and large language models.
Role type
Senior Machine Learning Engineer (Recommendation Systems & LLMs)
Builds
Home feed, Home Shortcuts experience, and AI-powered user experiences for Spotify
Domain
Music streaming, Personalization, Large Language Models
Deliverable
production ML models
Required skills
Recommendation systems, Ranking models, Large language model training (SFT, distillation, LoRA), Python, PyTorch, Distributed ML workloads (Ray, FSDP, HSDP), Data pipelines (Flyte, Airflow, BigQuery), A/B testing design
Preferred skills
None stated
Technologies
PyTorch, Ray, FSDP, HSDP, Flyte, Airflow, BigQuery
Responsibilities
Own and improve ML models powering the Home feed and Shortcuts experience; Design, build, and ship personalized recommendations; Train, fine-tune, and optimize large language models; Partner with product and engineering teams on experimentation strategies; Drive A/B testing and model evaluation; Improve ML platform capabilities and data pipelines
Seniority
Senior, hands-on IC