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Staff Machine Learning Engineer - Safety & Policy

We design Spotify’s consumer experience—end to end, moment to moment, across every screen, platform, and partner integration. Our mission is to make listening feel effortless, personal, and joyful for billions of users around the world. That means turning complexity into clarity across hundreds of touchpoints—from our mobile and desktop apps to the smart speakers, TVs, cars, and integrations where Spotify shows up every day. If it touches a consumer, we shape it. We bring deep insight into human behavior, design, and technology to craft experiences that feel intuitive, expressive, and unmistakably Spotify.

About the Team 

 The Policy & Safety team sits within the Content Platform domain and builds the systems that keep Spotify safe and trustworthy at scale. We own the infrastructure behind content moderation, including detection models, policy enforcement systems, compliance pipelines, and the safety-by-default platform.

Our work is critical to every new content type and product experience—from messaging and comments to collaborative and emerging AI-driven features. We partner closely with Trust & Safety, Legal, and Public Affairs to ensure that safety is built into Spotify experiences from the start.

What You Will Do

Build and scale machine learning systems for proactive content detection, classification, and pre-publish safety scanning

Design and implement policy evaluation frameworks, including standardized datasets, offline and online metrics, and continuous improvement loops

Develop multimodal models that combine text, audio, image, and video signals for safety and policy enforcement

Architect feedback loops that turn reviewer input into structured training data for continuous model improvement

Translate regulatory requirements into scalable ML system designs, including accuracy and reporting expectations

Partner with cross-functional teams across Trust & Safety, Legal, Public Affairs, and Product to deliver safe user experiences

Drive technical direction in ambiguous problem spaces and contribute to long-term platform architecture

Mentor and support other machine learning engineers, helping grow technical capability across the team

Who You Are

You have experience building and shipping production-grade machine learning systems at scale

You are experienced with ML evaluation, including dataset design, metrics, and model performance monitoring

You have worked with multimodal machine learning across text, audio, image, or video domains

You have experience with human-in-the-loop systems, active learning, or feedback-driven model improvement

You are comfortable translating complex requirements into technical solutions, including policy or regulatory constraints

You are experienced working across teams and influencing technical direction in large systems

You are comfortable navigating ambiguity and making thoughtful trade-offs between speed, quality, and risk

You communicate clearly and collaborate effectively with both technical and non-technical partners

Where You Will 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.

About Spotify

Spotify is a digital music, podcast, and audiobook service that gives users access to millions of songs and other content from creators worldwide.
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