Staff Data Scientist, Safety Insights

About the Role

Join our Safety Insights team to shape the strategy and measurement frameworks that protect Reddit’s communities, using rigorous data science to drive impactful product decisions at scale.

Responsibilities

• Lead the measurement strategy for user safety by defining metrics, frameworks, and dashboards that quantify and monitor safety experiences.
• Design and execute experiments and causal analyses to estimate the impact and ROI of safety initiatives.
• Own the development of scalable models and prototypes leveraging statistical, machine learning, or GenAI methodologies to improve abuse detection.
• Translate complex analyses into clear narratives to influence stakeholders and mentor junior team members in technical approaches.

Requirements

• Ph.D. with 4+ years or M.S. with 8+ years of industry experience in Data Science, Applied Science, or Economics.
• Fluency in statistical analysis, Python, and SQL.
• Proven ability to tackle ambiguously defined problems and deconstruct them into actionable components.
• Strong technical communication skills with the ability to influence both technical and non-technical audiences.

Nice-to-Haves

• Prior experience working in safety, enforcement engineering, or fraud detection domains.
• Experience evaluating and implementing LLMs or advanced machine learning methods for risk identification.