GrepJob
Perplexity

Member of Technical Staff (Model Behavior Architect)

Perplexity
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6 months ago
San Francisco, CA, USAMid Level / Senior
H1B Sponsor

Base Salary

$180k - $270k/yr

Responsibilities

  • Design, test, and optimize context strategies and system prompts for the answer engine.
  • Build automated and semi-automated evaluation pipelines to measure model quality.
  • Partner with research and engineering to validate model behavior during rollouts.
  • Identify inconsistencies and failure modes in model outputs through research projects.
  • Collaborate with design, product, and research teams to translate goals into model behavior requirements.
  • Help engineers build intuition for prompt design and evaluation best practices.
  • Stay updated on the latest alignment, evaluation, and prompting techniques.

Requirements

  • Experience designing evaluations, benchmarks, or metrics for AI systems.
  • Strong written and verbal communication skills for diverse stakeholders.
  • Ability to manage multiple projects in a fast-paced environment.
  • Strong experience with Perplexity or other frontier AI models in production.
  • Demonstrated experience with Python for prototyping and building systems.
  • 3+ years of experience working with LLMs in a product or research setting.

Tech Stack

Categories

AI & MLData Science