Member of Technical Staff (ML Engineer, Recommendations & User Modeling)
Perplexity5 months ago
Base Salary
$220k - $405k/yr
Responsibilities
- Own personalization and ranking for key product surfaces to improve user and business metrics.
- Build user models capturing intent, preference, and propensity.
- Design decision layers that balance competing objectives for the overall user experience.
- Build data and evaluation foundations that enable systems to learn and improve with usage.
- Help shape the technical direction of ranking, recommendations, and personalization at Perplexity.
Requirements
- Deep, hands-on experience building production recommendation, ranking, or personalization systems at scale.
- Strong machine-learning fundamentals, including engagement modeling, model calibration, offline and online metrics, and online experimentation.
- Experience integrating LLMs into ranking, retrieval, or personalization pipelines.
- Strong product judgment and curiosity about personalization for LLM-native products.
- For technical leadership roles, prior experience setting technical direction for recommendation or ranking projects is expected.
Categories
About Perplexity
Perplexity builds an AI-powered answer engine for web and mobile and an enterprise product, Perplexity Computer, for AI-driven workflows across tools and apps. The company monetizes through individual subscriptions (Perplexity Pro) and enterprise plans. Founded in 2022 and headquartered in San Francisco, it operates as a privately held company.