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Member of Technical Staff (Data Scientist/Engineer, Online Metrics)

Perplexity · New York City

$200k - $320k/yrRemoteStaffData and MLAI Research & SystemsAI Research & SystemsPosted 5 months ago
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About this role

Perplexity serves tens of millions of users daily with reliable, high-quality answers grounded in an LLM-first search engine and specialized data sources. The Answer Quality team ensures that our prompts, tools, search, and specialized datasets, combined with both frontier and in-house models, create the best possible experience for our users. As a Data Scientist/Engineer on this team, you will derive online signals from user interactions to bridge the gap between changes in answer quality and observed user behavior. RESPONSIBILITIES - Discover and validate online signals from user interactions that serve as reliable proxies for true answer quality - Design and implement novel online metrics to be tracked both in A/B testing and on product health dashboards, ensuring alignment with ground-truth evaluations - Analyze experimental results to validate these metrics, ensuring they accurately predict user satisfaction and drive product decisions - Build and maintain the data pipelines that calculate these metrics at scale, delivering actionable quality signals to Search, Product, and model training teams - Communicate findings and bring clarity through close collaboration with Product and Search teams - Operate in a small, high-impact team where your work directly shapes how Perplexity measures and improves Answer Quality QUALIFICATIONS - MS in a technical field or equivalent experience - 4+ years of experience working as a Data Scientist, Analytics Engineer, or related role - Experience working on search, recommendation, or LLM-based products, with an emphasis on designing online metrics and analyzing A/B experiments - Strong proficiency in Python and SQL (expected to write production-grade code) - Deep knowledge of statistical analysis - Experience with Business Intelligence (BI) tools for visualization and reporting - Comfortable with agentic coding workflows and using AI-assisted development tools to iterate faster PREFERRED QUALIFICATIONS - Proficiency with Apache S

Excerpt from the posting Perplexity published. Read the full description on their site before applying.

Skills this posting mentions

A/B TestingApache SparkAnalytics

About Perplexity AI

Perplexity AI builds AI native search tools. Perplexity Ask, a new search interface that uses OpenAI GPT 3.5 and Microsoft Bing to directly answer any question you ask.

All 87 openings at Perplexity AI

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