Member of Technical Staff (Machine Learning Engineer, Search)

The role

This person will build the next generation of advanced search technologies with a focus on retrieval and ranking. They will architect core components of the search platform and model stack.

What you will do

• Push search quality forward through models, data, or tools
• Architect and build core components of the search platform and model stack
• Train and evaluate retrieval, ranking and classification models, including LLMs
• Deploy models in a scalable and performant way
• Build and optimize RAG pipelines for grounding and answer generation
• Collaborate with Data, AI, Infrastructure and Product teams

Required qualifications

• Deep understanding of search and retrieval systems, including quality evaluation principles and metrics
• Proven track record with large-scale search or recommender systems
• Self-driven, with a strong sense of ownership and execution
• Minimum of 5 years of working on search or recsys-related projects

About the company

Perplexity is seeking an experienced Machine Learning Engineer to help build the next generation of advanced search technologies, with a focus on retrieval and ranking.