Senior Machine Learning Engineer, Personalization

The Personalization team makes it easier and more enjoyable for every listener to decide what to play next. From Blend to Discover Weekly, we're behind some of Spotify's most-loved features. We built them by understanding the world of music and podcasts better than anyone else. Join us and you'll keep millions of users listening by making great recommendations to each and every one of them. We ask that our team members be physically located in Central European time or Eastern Standard/Daylight time zones for the purposes of our collaboration hours. What You'll Do - Improve the quality of Spotify’s candidate pools (the top of the recommendation funnel) for our large number of listeners, worldwide. - Contribute to designing, building, evaluating, shipping, and refining Spotify’s personalization products with hands-on ML development. - Develop and help execute a long-term ML strategy and roadmap for the team. - Promote and role-model best practices of ML systems development, testing, evaluation, etc., both inside the team as well as throughout the organization. - Be part of an active group of machine learning practitioners across Spotify collaborating with one another. Who You Are - You have a passion for delivering amazing user experiences. - You have a strong background in machine learning, with experience and expertise in personalized machine learning algorithms, especially recommender systems. - You have hands-on experience implementing production machine learning systems at scale in Python, Java, Scala, or similar languages. - Experience with TensorFlow, PyTorch, Scikit-learn, XGBoost, etc is a strong plus. - You preferably have experience with data pipeline tools like Apache Beam or Scio, and cloud platforms like GCP or AWS. - You are comfortable exploring data to deeply understand the problems and products you are working on. - You care about agile software processes, data-driven development, reliability, and disciplined experimentation. Where You'll Be - Location is flexible. You will join a team that spans Boston, New York and Remote employees, so you need to be based in Eastern Standard Time zone. The United States base range for this position is $170,045- $242,921 plus equity. The benefits available for this position include health insurance, six month paid parental leave, 401(k) retirement plan, monthly meal allowance, 23 paid days off, 13 paid flexible holidays, paid sick leave. These ranges may be modified in the future. Spotify is an equal opportunity employer. You are welcome at Spotify for who you are, no matter where you come from, what you look like, or what’s playing in your headphones. Our platform is for everyone, and so is our workplace. The more voices we have represented and amplified in our business, the more we will all thrive, contribute, and be forward-thinking! So bring us your personal experience, your perspectives, and your background. It’s in our differences that we will find the power to keep revolutionizing the way the world listens. Spotify transformed music listening forever when we launched in 2008. Our mission is to unlock the potential of human creativity by giving a million creative artists the opportunity to live off their art and billions of fans the chance to enjoy and be passionate about these creators. Everything we do is driven by our love for music and podcasting. Today, we are the world’s most popular audio streaming subscription service.