Member of Technical Staff ML Engineer Recommendations and User Modeling
PerplexityVisit Perplexity website
Perplexity is an AI-powered answer engine that provides real-time, cited answers and research capabilities.
San Francisco, United States
Funding history
About Perplexity
Private AI company founded in 2022. Its products combine conversational search and research with cited web sources; it also offers developer-facing Search, Agent, Router, and Embeddings APIs.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will own personalization and ranking for key product surfaces. You will build user models, design decision systems, develop data and evaluation foundations, and shape the technical direction for recommendations, ranking, and personalization.
Requirements
- Production recommendation, ranking, or personalization systems at scale
- Machine learning
- Engagement modeling
- Model calibration
- Offline metrics
- Online metrics
- Online experimentation
- LLM integration in ranking, retrieval, or personalization pipelines
Responsibilities
- Own personalization and ranking for key product surfaces
- Build user models for intent, preference, and propensity
- Design decision layers that balance competing objectives
- Build data and evaluation foundations for continual learning
- Shape the technical direction for ranking, recommendations, and personalization
Benefits
- Equity
- Health insurance
- Dental insurance
- Vision insurance
- Retirement benefits
- Fitness account
- Commuter account
- Dependent care account