Member of Technical Staff (ML Engineer, Recommendations & User Modeling)

Highlights

• Own personalization and ranking behind key Perplexity product surfaces.
• Build user modeling capturing intent, preference, and propensity.
• Reimagine recommendation systems for the LLM era with continual learning.

What they offer

• equity
• health insurance
• dental insurance
• vision insurance
• retirement
• fitness benefits
• commuter benefits
• dependent care accounts

Ideal candidate

An experienced ML builder obsessed with personalization who thinks like a founder, owns problems end-to-end, and cares about crafting deeply personal, high-craft AI experiences.

Requirements

• Deep, hands-on experience building production recommendation, ranking, or personalization systems at scale
• Strong ML fundamentals including engagement modeling, calibration, offline and online metrics, and experimentation
• Experience integrating LLMs into ranking, retrieval, or personalization pipelines
• Taste and judgment for personalization in an LLM-native product and curiosity to reimagine it from first principles