Member of Technical Staff (Machine Learning Engineer, Search)
LocationBelgrade
Work modehybrid
Typefull-time
DepartmentSearch
Company size501–1,000 people
First seen6mo ago
Last seen1d ago
About the role
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.
Responsibilities
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Relentlessly push search quality forward—through models, data, tools, or any other leverage available
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Architect and build core components of our search platform and model stack
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Train and evaluate retrieval, ranking and classification models, including LLMs
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Deploy models - from boosting to LLMs - in a scalable and performant way
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Build and optimize RAG pipelines for grounding and answer generation
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Collaborate with Data, AI, Infrastructure and Product teams to ensure fast and high quality delivery
Qualifications
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Deep understanding of search and retrieval systems, including quality evaluation principles and metrics
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Proven track record with large-scale search or recommender systems
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Self-driven, with a strong sense of ownership and execution
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Minimum of 5 years of working on search or recsys-related projects