Member of Technical Staff (Machine Learning Engineer, Search)

Perplexity
Belgrade, London, Berlin
Workplace: OnsiteFull timeFunction: Data Science & Machine LearningExperience: 5+ yearsSkills: ["Ownership","Self-driven","Collaboration","Communication","Problem-solving"]

Experienced Senior ML Engineer to advance search technology focused on retrieval and ranking. Architect core components of the search platform and model stack, train and evaluate retrieval, ranking and classification models including LLMs, deploy models at scale, build RAG pipelines, and collaborate with Data, AI, Infrastructure and Product teams to ensure fast, high-quality delivery.

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Perplexity
Perplexity
1 year ago

Member of Technical Staff (Machine Learning Engineer, Search)

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Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 19 hours agoStatus: Live

Job Summary

Experienced Senior ML Engineer to advance search technology focused on retrieval and ranking. Architect core components of the search platform and model stack, train and evaluate retrieval, ranking and classification models including LLMs, deploy models at scale, build RAG pipelines, and collaborate with Data, AI, Infrastructure and Product teams to ensure fast, high-quality delivery.
Location: Belgrade, London, Berlin
Workplace: Onsite
Employment Type: Full time
Job Function: Data Science & Machine Learning
Seniority: Sr. Manager level

Key Responsibilities

  • •Relentlessly push search quality forward through models, data, tools, or other leverage
  • •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

Key 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 of working on search or recsys-related projects
Experience:5+ yearsSearchRecommender systemsMachine learning
Skills:OwnershipSelf-drivenCollaborationCommunicationProblem-solving
Tech Stack:LLMsRetrievalRankingRAGModel deploymentData pipelines

Company Brief

Perplexity
Perplexity AI provides an AI-powered answer engine that returns conversational, citation-backed answers to user queries and offers Pro/Enterprise products and APIs for research, knowledge work, and search augmentation.
Industry: AI & Machine Learning
Company Size: Medium (51 to 250 employees)
Revenue: USD 50M to 100M
Growth: Scaleup
Valuation: Unicorn (USD 1B+)
Funding: Series D
Headquarters: San Francisco, United States
Founded: 2022
Glassdoor
Glassdoor: 4.6
WebsiteLinkedInGlassdoor