Member of Technical Staff (Machine Learning Engineer, Search)
Perplexity
Full-time · Staff
At a glance on RemoteAI
- 282 reviewed professionals on RemoteAI match this role at 70% or more.
- RAG: 568 of 3,363 reviewed AI professionals on RemoteAI list it (17%) — the most common skill this role asks for.
- Machine Learning: 228 of 3,363 reviewed AI professionals on RemoteAI list it (7%).
- Machine Learning : 228 of 3,363 reviewed AI professionals on RemoteAI list it (7%).
- Perplexity has 13 other open roles on RemoteAI.
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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
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
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Job Type
Full-time
Level
Staff
Language
English
Timezone
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AI Expertise
Skills
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