Machine Learning Engineer, Personalization

The Personalization team makes deciding what to play next on Spotify easier and more enjoyable for every listener. We seek to understand the world of music, podcasts, and audiobooks better than anyone else so that we can make great recommendations to every individual person and keep the world listening. Every day, hundreds of millions of people all over the world use the products we build which include destinations like “Home” and “Search” as well as original playlists such as “Discover Weekly” and “Daily Mix.” Personalization’s Minesweeper squad produces Human Understandable Language Knowledge to enrich music and talk content understanding.

We use AI and ML techniques, including Large Language Models, to understand music, podcasts and audiobooks, building reliable, scalable systems to distribute that knowledge to Spotify internal teams, users, and creators. We are looking for a Machine Learning Engineer to join our team and help build the future of music, podcast and audiobook listening experiences for millions of listeners at Spotify. This is a unique opportunity to help develop and shape Spotify content enrichment, and recommendations.

You’ll grow your skills in ML engineering at scale, work with a cross-functional team of Data Engineers, Backend Engineers, and researchers, and join a motivated and supportive team. What You'll Do Utilize in-house and 3rd party LLMs to solve language understanding problems Employ techniques such as fine-tuning and RAG to improve models Contribute to designing, building, evaluating, shipping, and refining Spotify’s product by hands-on ML development Help drive optimization, testing, and tooling to improve quality of our content enrichment assets Collaborate with cross-functional teams of MLEs, data and backend engineers, and other stakeholders including tech research, data science, and product to develop new features and technologies Be a participant in our AI Foundation’s ML community and work collaboratively and efficiently within our existing platforms and systems Perform data analysis to establish baselines and inform product decisions Stay up-to-date on the latest machine learning algorithms and techniques Who You Are You have a strong background in machine learning, especially experience with Large Language Models You have professional experience in applied machine learning Extensive experience working in a product and data-driven environment (Python, Scala, Java, SQL, with Python experience required) and cloud platforms (GCP or AWS) You have some hands-on experience implementing or prototyping machine learning systems at scale You have experience architecting data pipelines and are self-sufficient in getting the data you need to build and evaluate models, using tools like Dataflow, Apache Beam, or Spark You care about agile software processes, data-driven development, reliability, and disciplined experimentation You have experience and passion for fostering collaborative teams Experience with PyTorch, TensorFlow, and/or other scalable Machine learning frameworks. Experience with Ray or TFX is a plus Bonus if you have experience with architecting near real time pipelines Where You'll Be We offer you the flexibility to work where you work best!

For this role, you can be within the North America region as long as we have a work location. This team operates within the Eastern Standard time zone for collaboration.