Perplexity
Member of Technical Staff (Data Scientist/Engineer, Online Metrics)
Vaga remota de AI Research & Systems com fit claro de localização do candidato.
Publicada13 de fev. de 2026
Países elegíveis1 país aceito
Sinal de senioridadeLead
Modelo de trabalhoRemoto
Locais aceitos para candidatos
Estados Unidos
Resumo da vaga
Member of Technical Staff (Data Scientist/Engineer, Online Metrics)
Requisitos e responsabilidades
Conteúdo da vaga extraído em seções para revisão mais rápida.
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 Spark and Databricks
- Experience with the development or validation of LLM-as-a-judge systems
- Prior work supporting customer-facing products at scale
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