What You'll Do- Design, build, and improve machine learning systems that power safety across personalization surfaces such as recommendations, search, and emerging AI experiences
- Contribute to the platformization of safety systems, enabling scalable and reusable solutions across teams
- Develop and operate high-throughput, low-latency backend services powered by ML models
- Partner with Product, Trust & Safety, and Content Platform to translate safety needs into practical technical solutions
- Work on both traditional ML models and generative AI systems, including integrating third-party and in-house foundational models
- Contribute to evaluation frameworks, including labeling strategies, ground truth creation, and model validation approaches
- Collaborate with foundational model teams to embed safety into LLM-based and agent-driven experiences
- Use metrics and experimentation to continuously improve system performance, safety outcomes, and user experience
Who You Are- You are experienced in building and deploying machine learning systems in production environments
- You have hands-on experience with both traditional ML approaches and newer generative AI techniques
- You have worked with scalable backend systems that require reliability, low latency, and high availability
- You understand how to apply ML solutions to real-world product challenges, ideally in consumer-facing products
- You have experience with model evaluation approaches such as labeling workflows, red-teaming, or ground truth data generation
- You are comfortable working across disciplines, collaborating with product managers, researchers, and policy partners
- You care deeply about building safe, responsible, and inclusive user experiences
- You bring a thoughtful, metrics-driven approach to problem solving and decision-making
Where You'll Be- This role is based in New York or Boston
- 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
The United States base range for this position is $184,050 - $262,928 USD, 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, paid flexible holidays, and paid sick leave. These ranges may be modified in the future.
