Full-Time

Data Scientist, Evals at Perplexity

Company Perplexity
Location London
How You'll Work hybrid
Level mid
Sector Technology
Posted Posted on March 4, 2026

Job Description

We are seeking a Data Scientist to join our team in London, Belgrade, Berlin, or San Francisco. As a Data Scientist, you will build specialized evals to improve answer quality across Perplexity, covering search-based LLM answers and other scenarios popular with our users.

What you'll do

  • Architect and maintain automated evaluation pipelines to assess answer quality across Perplexity's products, ensuring high standards for accuracy and helpfulness
  • Design evaluation sets and methods specifically to measure the impact of tool calls (particularly web search retrieval) on the final answer's quality

What you need

  • PhD or MS in a technical field or equivalent experience
  • 4+ years of experience in data science or machine learning

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