Member of Technical Staff (Software Engineer, Data Flywheel)
Core
Build data pipelines and evaluation systems that power Perplexity's LLM-first search engine and Answer Quality team.
Role type
Senior IC data engineer (evaluation systems)
Builds
Data flywheel, evaluation verdicts, and user interaction simulators for LLM/VLMs
Domain
AI/LLM search, data infrastructure, evaluation platforms
Deliverable
production ML models | infrastructure
Required skills
Python, SQL, distributed compute, data modeling, system design, AWS, Databricks, Spark
Preferred skills
data engineering, LLM/VLM interfaces, evaluation platforms, experimentation systems
Technologies
AWS, Databricks, Spark, Python, SQL
Responsibilities
Build systems for accessing reliable eval verdicts, manage the evals-to-product loop, build user interaction simulators, implement data trust monitoring and lineage
Seniority
Senior, hands-on IC
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