Perplexity

Member of Technical Staff (Answer Quality & Evals)

Perplexity
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7 months ago
Palo Alto, CA, USA or San Francisco, CA, USAMid Level / Senior
H1B sponsor

Base Salary

$200k - $350k/yr

Responsibilities

  • Build shared infrastructure for reliable evaluations, result analysis, and product and model decision-making.
  • Develop platforms 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 convert answer-quality problems into evaluations, analyses, and product improvements.
  • Own ambiguous technical projects from initial design through production operation in a small, high-impact team.

Requirements

  • At least 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 involving distributed compute, large-scale storage, and high-volume pipelines.
  • Demonstrated ownership of ambiguous technical projects from design through production operation.
  • Ability to work effectively with data scientists, engineers, and product partners.
  • Preferred: experience with evaluation, experimentation, observability, or machine learning infrastructure.
  • Preferred: familiarity with LLM and agent systems, including tool use, execution traces, replay, and simulation.
  • Preferred: experience with large-scale data processing platforms such as Databricks, Snowflake, or ClickHouse.

Tech Stack

ClickHouseDatabricksPythonSnowflakeSQL

Categories

AI ApplicationsData Engineering
Perplexity

About Perplexity

1,001-5,000 employees

Perplexity builds an AI-powered answer engine for web and mobile and an enterprise product, Perplexity Computer, for AI-driven workflows across tools and apps. The company monetizes through individual subscriptions (Perplexity Pro) and enterprise plans. Founded in 2022 and headquartered in San Francisco, it operates as a privately held company.

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