Senior Machine Learning Engineer, Policy & Safety

This role is based in London or Stockholm with flexibility to work from home.

What you'll do:

• Design, build, and ship production-grade machine learning systems for content safety.
• Own key technical initiatives across detection, classification, and policy evaluation systems.
• Develop and maintain ML models for content moderation.
• Collaborate with cross-functional partners in Trust & Safety, Legal, and Public Affairs.

Who you are:

• Experience building and deploying machine learning systems in production environments.
• Familiarity with ML frameworks like PyTorch.
• Understanding of machine learning evaluation and dataset design.
• Experience with distributed systems or backend technologies (e.g., Scala).