Perplexity

Perplexity

Posted via Ashby

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

Posted Aug 5, 2026

Role at a glance

Salary
Not Disclosed
Location
Belgrade London
Work arrangement
On-site
Employment
Full-time
Experience
4+ years of experience working as a data analyst or in a related role

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Role Summary

AI-generated

Perplexity is seeking an experienced Product Data Scientist to support the development of advanced search technologies. The role uses user behavior data and A/B experiment analysis to generate product insights, improve adoption, and enhance ranking quality through new signals and data pipelines.

What You'll Do

  • Develop data-driven insights from user behavior to inform the product roadmap and accelerate adoption
  • Formulate hypotheses and design, run, and analyze A/B tests
  • Determine appropriate metrics and visualizations for tracking and implement them in dashboards
  • Discover new signals and produce metrics to help deliver better ranking quality
  • Construct data labeling pipelines with human and LLM feedback

Generated from the employer's posting. Verify important details before applying.

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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; proficiency with SQL and BI tools; deep knowledge of statistics

Required

  • 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

  • Proficiency with Apache Spark
  • Experience with Databricks
  • Experience with development of LLM-as-a-judge systems

Original job description

Content provided by the employer

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

Perplexity

About the company

Perplexity

Startup

Perplexity is an innovative technology company that specializes in developing advanced artificial intelligence solutions aimed at enhancing human-computer interaction. With a focus on natural language processing and machine learning, Perplexity empowers users to access information and insights more intuitively and efficiently. The company is dedicated to creating tools that simplify complex data and foster informed decision-making, thereby transforming the way individuals and organizations engage with knowledge. Through its commitment to excellence and user-centric design, Perplexity is shaping the future of information retrieval and analysis.