← Zurück zur Liste
Stelle · Principal

Member of Technical Staff (Machine Learning Engineer, Search)

Perplexity
AI / ML Engineer • Principal • Remote • Vollzeit • 📍 London
📄 Originalanzeige ansehen (EN)

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. The role involves training and deploying retrieval, ranking and classification models (including LLMs), building and optimizing RAG pipelines, and architecting core components of the search platform and model stack.

Stack

AI/ML

Responsibilities

  • ▹Relentlessly push search quality forward through models, data, tools or any other available leverage
  • ▹Architect and build core components of the 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

Requirements

  • ▹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 working on search or recsys-related projects

Soft skills

Self-drivenStrong sense of ownershipStrong executionCollaborative