Member of Technical Staff (ML Engineer, Recommendations & User Modeling)
Perplexity3 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
The most powerful answer engine. Powering curiosity with answers backed by up-to-date sources. This is where knowledge begins.