Develop advanced search technologies with a focus on retrieval and ranking while collaborating with cross-functional teams to enhance search quality.
Perplexity is seeking an experienced Senior Machine Learning Engineer to help build the next generation of advanced search technologies, with a focus on retrieval and ranking.
Responsibilities
Relentlessly push search quality forward—through models, data, tools, or any other leverage available
Architect and build core components of our search platform and model stack
Train and evaluate retrieval, ranking and classification models, including LLMs
Deploy models - from boosting to LLMs - in a scalable and performant way
Build and optimize RAG pipelines for grounding and answer generation
Collaborate with Data, AI, Infrastructure and Product teams to ensure fast and high quality delivery
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
Perplexity builds an advanced answer engine that leverages large language models to redefine how users search and interact with information online. Targeted at enhancing browsing experiences, the company is at the forefront of AI-driven knowledge tools, making it easier for people to discover relevant answers swiftly and effectively.
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