Member of Technical Staff (Answer Quality & Evals)

Highlights

• Build shared evaluation infrastructure that guides product and model decisions.
• Develop platform to replay agent traces and diagnose production failures.
• Shape how Perplexity measures answer quality for millions of daily users.

Ideal candidate

A product-minded engineer who thrives on ambiguous problems and owns systems end-to-end. You care about measurement, reliability, and turning quality insights into better user experiences with partners.

Requirements

• 4+ years of software, data, or machine learning engineering experience shipping and operating production systems
• Strong proficiency in Python and SQL, with fundamentals in system design, data modeling, and distributed systems
• Experience building big-data systems including distributed compute, large-scale storage, and high-volume pipelines
• Demonstrated ownership of ambiguous technical projects from design through production operation
• Ability to work effectively with data scientists, engineers, and product partners