Roblox
Principal Data Scientist - Safety
$274K–$374K
San Mateo, CA, United States · Principal · Full-time · Posted Oct 5, 2026
- Experience
- 10+ years in data science, economics, analytics, or machine learning engineering; 7+ years using scripting languages and big-data query/processing languages and tools.
- Education
- Advanced Degree and/or PhD in Statistics, Computer Science, Physics, Applied Math, Economics, or another related quantitative field.
- Visa sponsorship
- For US-based roles, the company may not be able to employ candidates whose work authorization relates to certain U.S. visa categories, or support future H-1B sponsorship at this time.
About the job
Uses data science, statistics, and causal inference to measure and reduce harmful user-generated content and unsafe behavior across Roblox, guiding safety strategy and moderation investments.
What you'll do
- Develop prevalence measurement methods and ground-truth datasets for harmful content and policy violations.
- Analyze safety threats and experiments, and measure the effectiveness and systemic impacts of safety initiatives.
- Advise cross-functional teams and leadership; partner with ML and Data Engineering on sound measurement and detection systems.
What they ask for
- 10+ years of industry experience in data science, economics, analytics, or machine learning engineering.
- 7+ years using scripting languages and big-data query or processing languages and tools.
- Knowledge of ML and Deep Learning through formal training or industry experience.
- Experience developing large-scale safety or moderation systems and working with content platforms, specifically user-generated content.
Pay
$274,000 — $373,680 USD (base salary)
Tools
Python, R, SQL, Hive, Spark, Airflow
AI focus
Applies ML and Deep Learning knowledge to safety measurement and detection systems, partnering with ML teams on ground truth and measurement frameworks.
Model-written summary · the original posting is authoritative