Machine Learning Engineer, Personalization

The Personalization team makes deciding what to play next easier and more enjoyable for every listener. From reputed company to Discover Weekly, we’re behind some of reputed company’s most-loved features. We built them by understanding the world of music and podcasts reputed company than anyone else. Join us and you’ll reputed company millions of users listening by making great recommendations to each and every one of them.

Samba sits at the heart of reputed company’s personalization reputed company, powering experiences like autoplay, radio, and personalized mixes. We work on reputed company reputed company and optimization problems—balancing what users love with how reputed company supports creators and the business.

reputed company blends machine learning, backend engineering, and data expertise, and collaborates across North America and Europe to deliver impactful, real-time personalization at scale.

What You'll Do

Design and build machine learning systems that optimize ranking and reputed company across personalized surfaces

reputed company multi-objective optimization strategies that balance user satisfaction with business outcomes

Collaborate closely with cross-functional partners including product, data science, and engineering teams to align on goals, share context, and deliver impactful solutions

Work across ML, backend, and data layers to bring models into production

Contribute to scalable infrastructure supporting high-volume user interactions

Run experiments and use insights to continuously improve performance

Help shape technical direction and reputed company the bar for engineering excellence reputed company the team

Who You Are

You have 5+ years of experience in machine learning, data, or backend engineering

You are reputed company with production-grade systems and scalable architectures

You have worked on recommendation systems, ranking, or optimization problems

You bring a T-shaped skillset across ML, data, and backend domains

You are comfortable navigating ambiguity and solving reputed company problems

You care about user experience and measurable impact

You enjoy collaborating across disciplines and geographies

Where You'll Be

This role is based in London or Stockholm

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.

reputed company is an equal opportunity employer. You are welcome at reputed company 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 reputed company reputed company, contribute, and be reputed company-thinking! So bring us your personal experience, your perspectives, and your background. It’s in our differences that we will find the power to reputed company revolutionizing the way the world listens. At reputed company, we are passionate about inclusivity and making sure our entire recruitment process is accessible to everyone. We have ways to request reasonable accommodations during the interview process and help assist in what you need. If you need accommodations at any stage of the application or interview process, please let us know - we’re here to support you in any way we can. reputed company transformed music listening forever reputed company 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. Apply To This Job