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LLM Evaluation Scientist — Answer Quality & Metrics

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: Perplexity
Full Time position
Listed on 2026-02-17
Job specializations:
  • IT/Tech
    Data Scientist, Data Analyst, Data Engineer, Machine Learning/ ML Engineer
Job Description & How to Apply Below
Location: Greater London

A leading tech company in the United Kingdom is seeking an experienced data scientist to architect and maintain evaluation pipelines for answer quality across products. The ideal candidate will have a PhD or MS in a technical field, at least 4 years of data science or machine learning experience, and strong proficiency in Python and SQL.

Experience with cloud data stacks such as AWS and Databricks is essential. This position requires collaboration within a high-impact team to influence product changes based on evaluation metrics.
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