Search Quality Analyst – Member of Technical Staff

About the role

Perplexity is looking for an experienced analyst to help build and improve core search technologies. You will work at the intersection of data analysis and engineering, designing metrics, building data pipelines, and enhancing the quality of search and answer systems. This role is hybrid in Belgrade, London or Berlin.

Key responsibilities

• Find and diagnose quality issues in our search pipeline
• Design metrics from scratch to track and measure search quality
• Build datasets for model training, including LLM‑as‑a‑judge labeling pipelines
• Improve search snippet quality and page selection algorithms for indexing
• Design and analyze A/B experiments to validate improvements

Required profile

• 4+ years of experience as a data analyst or in a related role
• Strong coding skills – production‑grade code at a mid‑level backend engineer level
• Proficiency with SQL and Python
• Hands‑on experience designing metrics from scratch, building labeling pipelines using LLM‑as‑a‑judge, training ML models shipped to production, or designing evals with known ground truth

Required skills

• SQL
• Python
• Apache Spark
• Databricks