Member of Technical Staff (Product Data Scientist, Search Quality)

Perplexity AI • Python • SQL • A/B Testing • 27 days ago
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In office (Belgrade, Berlin, London)
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Staff · 4+ years exp
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Full-Time
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Perplexity AI

Perplexity AI is an American company that builds an answer engine combining live web search with large language models to return sourced, conversational responses instead of a list of links. Its products span a consumer assistant on web and mobile, the Comet browser, enterprise search over internal documents and the Sonar developer API that exposes the same grounded retrieval stack. Founded in 2022 in San Francisco by former researchers and engineers from OpenAI, Meta and Databricks, the company is backed by NVIDIA, IVP, New Enterprise Associates and SoftBank.
perplexity.ai • HQ: San Francisco, United States • AI Agents • Internet Services • Artificial Intelligence • Search Engines • LLM & Generative AI • 1001-5000 employees • Est. 2022

Perplexity is looking for an experienced Product Data Scientist to accelerate the development of advanced search technologies. You will identify robust and sensitive signals from user behavior to help us gather insights from A/B experiment data more efficiently.

Responsibilities

  • Develop data-driven insights from user behavior to inform our product roadmap and accelerate adoption

  • Formulate hypotheses and validate them by designing, running, and analyzing A/B tests

  • Determine appropriate metrics and visualizations for tracking, and implement them in dashboards

  • Design new pipelines that will help to deliver better ranking quality. From discovering new signals, producing metrics and construct data labeling pipelines with human and LLM feedback

Qualifications

  • 4+ years of experience working as a data analyst or in a related role

  • Experience working on search-related products, with emphasis on designing online metrics and analyzing A/B experiments

  • Strong Python skills (expected to write production-grade code)

  • Proficiency with SQL

  • Experience with Business Intelligence (BI) tools

  • Deep knowledge of statistics

Preferred Qualifications

  • Proficiency with Apache Spark

  • Experience with Databricks

  • Experience with development of LLM-as-a-judge systems

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