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

Perplexity is seeking experienced ML engineers to design, build, and optimize the recommendation systems that power core experiences on Perplexity.Perplexity builds AI for those who expect more. Our products are designed to help people find

In inglese

Company

Perplexity

Location

San Francisco; Palo Alto

Status

Open

Posted

2026-06-06T04:33:07.452+00:00

Perplexity is hiring experienced ML engineers to build the recommendation, ranking and personalization systems behind its core product surfaces. The work covers user modeling for intent, preference and propensity, a decision layer balancing competing objectives, and the data and evaluation foundations that let these systems improve with use. The posting asks for hands-on experience with production recommendation or ranking systems at scale, ML fundamentals in engagement modeling, calibration and online experimentation, and experience putting LLMs into ranking, retrieval or personalization pipelines. Roles are on-site in San Francisco or Palo Alto.