Member of Technical Staff (Data Scientist/Engineer, Online Metrics)
Perplexity · New York City, NY · AI
About this role
Perplexity is hiring a staff-level Staff Engineer in the software engineering function based in New York City, NY. The posting calls out experience with Python, SQL, Spark, LLMs and roughly 4+ years of relevant work. Listed education preference: a master's degree or equivalent. Compensation is listed at $200,000–$320,000 per year.
- Role
- Staff Engineer
- Function
- software engineering
- Level
- staff
- Track
- Tech leadership
- Employment
- Full-time
- Location
- New York City, NY
- Experience
- 4+ years
- Education
- Master's degree
- Department
- AI
- Posted
- Feb 13, 2026
More roles at Perplexity
Job description
from Perplexity careersPerplexity 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
This is an excerpt. Read the full job description on Perplexity careers →