New opportunity

Member of Technical Staff (Software Engineer, Applied AI)

Perplexity · San Francisco, United States

About this role

Perplexity is hiring an Applied AI Engineer to design, build, and iterate on cutting-edge agents for Perplexity Computer, applying state-of-the-art ML and LLM techniques to personalization, contextual recommendations, and agent capabilities. The role owns the model lifecycle from research to production, including data analysis, modeling, evaluation, and online/offline experimentation.

Skills for this role

Machine LearningLarge Language Models (LLMs)Agent developmentPersonalizationLLM memoryContext summarizationRetrievalRankingContextual recommendationsMonetization applicationsPythonProduction-quality codebasesAgentic coding toolsData analysisModelingModel evaluationA/B testingExperiment designMetrics designModel monitoringModel lifecycle managementCollaborative developmentLLM context engineeringHarness engineeringOpen source model trainingUser modelingContent ranking