Lead Data Scientist providing data science expertise and technical leadership for Caterpillar aftermarket parts forecasting. Managing complex analytics processes and ensuring accurate insights generation for critical business decisions.
About the role
- Data Scientist/Engineer driving online metrics for user satisfaction at Perplexity. Collaborating with teams to enhance answer quality based on user interactions and experimental results.
Responsibilities
- Discover and validate online signals from user interactions that serve as reliable proxies for true answer quality
- Design and implement novel online metrics to be tracked both in A/B testing and on product health dashboards, ensuring alignment with ground-truth evaluations
- Analyze experimental results to validate these metrics, ensuring they accurately predict user satisfaction and drive product decisions
- Build and maintain the data pipelines that calculate these metrics at scale, delivering actionable quality signals to Search, Product, and model training teams
- Communicate findings and bring clarity through close collaboration with Product and Search teams
- Operate in a small, high-impact team where your work directly shapes how Perplexity measures and improves Answer Quality
Requirements
- MS in a technical field or equivalent experience
- 4+ years of experience working as a Data Scientist, Analytics Engineer, or related role
- Experience working on search, recommendation, or LLM-based products, with an emphasis on designing online metrics and analyzing A/B experiments
- Strong proficiency in Python and SQL (expected to write production-grade code)
- Deep knowledge of statistical analysis
- Experience with Business Intelligence (BI) tools for visualization and reporting
- Comfortable with agentic coding workflows and using AI-assisted development tools to iterate faster
Benefits
- Health insurance
- Professional development opportunities
Job title
Job type
Experience level
Salary
Not specified
Degree requirement
Tech skills
Location requirements
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