Summary

Perplexity is hiring an experienced machine learning engineer to improve search quality across middle and later ranking stages. The role focuses on training and evaluating ranking models, building low-latency production infrastructure, and owning quality problems end to end; the working arrangement is not specified.

Responsibilities

• Improve search quality across ranking stages
• Define evaluations and identify ranking bottlenecks
• Train retrieval, ranking, and classification models
• Build low-latency multi-stage ranking infrastructure
• Deploy and monitor production ranking systems
• Balance quality, latency, reliability, and cost