LLM Evaluation Scientist: Data Quality & Metrics

Company: Perplexity

Location: London

Posted: April 20th, 2026

A leading tech firm in Greater London is seeking a specialist to architect automated evaluation pipelines for high-quality answers. The ideal candidate must possess a PhD or MS in a technical field and have at least 4 years of experience in data science or machine learning. You should be proficient in Python and SQL and comfortable with AWS and Databricks. This role will require you to design evaluation sets to improve overall answer quality and contribute to product changes based on evaluation metrics. #J-18808-Ljbffr
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