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Junior AI Search Evaluation Analyst

Kyle Park

Full-time · Job · Los_Angeles

About the role

Search is only as good as your ability to measure it. Our search platform serves 14 million queries per day, and every algorithm change we ship gets validated against human relevance judgments before it goes to production. The bottleneck isn't running experiments — it's having enough labeled evaluation data to know when a change is actually better versus just different. As a junior search evaluation analyst, you'll manage our relevance labeling program: recruiting and training evaluation raters, designing rating guidelines for new query categories, building the annotation tooling that makes rating fast and consistent, and running the statistical analysis that translates ratings into model improvement signals. You'll also develop automated quality checks that flag when rater agreement drops below threshold. This role sits at the intersection of linguistics, statistics, and product analytics. If you're curious about how search systems actually get built and measured — and you want to understand the measurement side deeply — this is a rare opportunity to see the whole process.

Responsibilities

  • Design relevance rating guidelines for new query categories and domains
  • Manage rater recruitment, training, and quality calibration
  • Build annotation tooling for efficient and consistent relevance judgment
  • Run inter-annotator agreement analysis and flag quality degradation
  • Analyze rating data to generate relevance signals for search model evaluation
  • Report evaluation results to the search engineering team with statistical context

Requirements

  • 1+ year of experience in data analysis, quality assurance, or research
  • Strong attention to detail and comfort with ambiguous quality judgments
  • Basic Python and SQL skills for data manipulation and analysis
  • Good written communication for designing clear rating guidelines
  • Interest in search systems, NLP, or information retrieval

Benefits

  • Fully remote with flexible hours
  • Health and dental insurance
  • $1,500 annual learning budget
  • Structured mentorship from senior search engineers
  • Clear progression path

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Job Type

Full-time

Level

Junior

Language

English

Salary Range

$60k – $80k / year

AI Expertise

data science & analytics NLP & Prompt Engineering

Skills

python sql pandas statistics openai api

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