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Member of Technical Staff (Answer Quality & Evals)

Perplexity· AI Research & Systems
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Hybrid (San Francisco), Hybrid (Palo Alto)$200k - $350kFull-timePosted 8mo ago

About the role

Role focused on building and improving evaluation infrastructure and platforms to support answer quality across Perplexity, including replaying/analyzing agent traces and turning evaluation findings into product improvements.

Responsibilities

  • Build shared evaluation infrastructure that helps teams run reliable evals, analyze results, and make product and model decisions
  • Develop the platform for replaying and analyzing agent traces to reproduce production behavior and diagnose failures
  • Build and operate scalable systems for processing, storing, and monitoring interaction, trace, and evaluation data
  • Partner with data scientists, engineers, and product teams to turn answer-quality problems into evaluations, analyses, and product improvements
  • Operate in a small, high-impact team where your work directly shapes how Perplexity measures and improves Answer Quality

Qualifications

  • 4+ years of software, data, or machine learning engineering experience shipping and operating production systems
  • Strong proficiency in Python and SQL, with solid fundamentals in system design, data modeling, and distributed systems
  • Experience building big-data systems, including distributed compute, large-scale storage, and high-volume pipelines
  • Demonstrated ownership of ambiguous technical projects from initial design through production operation
  • Ability to work effectively with data scientists, engineers, and product partners

Skills

Required:PythonSQL

Benefits

  • Full-time U.S. employees enjoy a comprehensive benefits program including equity, health, dental, vision, retirement, fitness, commuter and dependent care accounts, and more.
  • International Benefits: Full-time employees outside the U.S. enjoy a comprehensive benefits program tailored to their region of residence.
Last updated Sep 2, 2026. Interested? Apply on the company site.

About Perplexity

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