Machine Learning Engineer - Subscriptions

Spotify; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Job summary

Spotify is seeking a Machine Learning Engineer to join the Radius squad in the Subscriptions mission. You will own end-to-end ML initiatives, develop production models, and contribute to scalable ML capabilities powering personalization and optimization.

Responsibilities include leading multi-week ML projects, collaborating across design, data science, and engineering, and producing observable, reliable systems for hundreds of millions of users.

Qualifications

• Experience shipping production ML systems.
• Strong ML theory and practical know-how.
• Able to explain model intuition and assumptions.
• Capable of owning ML projects end-to-end.
• Clear communicator with stakeholders.
• Hands-on with PyTorch and Python/Scala.
• Experience building data pipelines.
• Familiar with cloud platforms (GCP/AWS).
• Comfort with agile processes.
• Driven to deliver business impact.

Responsibilities

• Lead multi-week ML initiatives end to end, translating business requirements into specs and shipping models.
• Own components of ML systems, ensure observability and reliability.
• Collaborate with cross-functional teams to build features.
• Prototype approaches and productionise at scale for hundreds of millions of users.
• Improve quality through testing and tooling.
• Unblock teammates and raise squad velocity.
• Use AI-assisted engineering to move faster while shipping quality.
• Partner with senior engineers and ML practitioners.

Skills

Production ML

ML theory/practice

Explainability

End-to-end ownership

Stakeholder comms

Growth mindset

Python/Scala

PyTorch

Data pipelines

Cloud platforms

Agile

Business impact

Tools

PyTorch

Python

Scala

GCP

AWS

Job description

At Spotify, our Subscriptions Mission focuses on creating experiences that help listeners discover the value of Spotify, become subscribers, and stay with us for the long term. By combining technology, experimentation, and a deep understanding of our users, we help connect artists and fans while building a sustainable subscription business.

Within the Subscriptions Mission, the Subs Foundational Models Product Area is part of the Subs User Understanding Studio. We build scalable machine learning solutions that personalize the subscriber journey, from conversion through to long-term retention. Working closely with teams across the mission, we develop ML solutions that improve key business metrics, including subscriber growth, monthly active users, and Premium retention.

We're looking for a Machine Learning Engineer to join our Radius squad. You'll take ownership of impactful ML initiatives, develop and improve production models, and contribute to the foundational ML capabilities that power personalization and optimization across Subscriptions.

Your work could include reducing friction for Free users while balancing retention and conversion, improving payment experiences to reduce Premium churn, or developing reusable models such as subscriber embeddings that support multiple products and use cases.

What You'll Do

• Lead multi-week ML initiatives end to end, from translating business requirements into technical specifications to shipping models and measuring their impact on subscriber metrics
• Own components of our ML systems, making independent technical trade-offs and keeping them observable, reliable, and well documented
• Collaborate with a multi-functional agile team spanning user research, design, data science, product management, and engineering to build new product features that advance our mission to connect artists and fans in personalised and relevant ways
• Prototype new approaches and productionise solutions at scale for our hundreds of millions of active users
• Help drive optimisation, testing, and tooling to improve quality
• Unblock and share context with your teammates to raise the whole squad's velocity
• Use AI-assisted engineering to move faster and remove repetitive toil, while owning the quality of everything you ship
• Partner closely with senior and staff ML engineers, and be part of an active group of machine learning practitioners in your mission and across Spotify

Who You Are

• You have experience building and shipping production ML systems
• You have a strong background in machine learning, theory, and practice
• You are comfortable explaining the intuition and assumptions behind ML concepts
• You can own well-scoped ML projects end to end and make sound technical decisions independently
• You communicate clearly with stakeholders and can explain the reasoning behind your technical choices
• You are curious, open to feedback, and keen to grow your scope over time
• You have hands-on experience implementing and maintaining production ML systems in Python, Scala, or similar languages, including model development with PyTorch
• You are experienced with building data pipelines, and you are self-sufficient in getting the data you need to build and evaluate your models
• You preferably have experience with cloud platforms like GCP or AWS
• You care about agile software processes, data development, reliability, and focused experimentation
• You have a desire to drive business impact

Where You'll Be

• We offer you the flexibility to work where you work best! For this role, you can be within the EMEA region as long as we have a work location
• This team operates within the Central European and GMT time zone for collaboration.

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.

At Spotify, 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.