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PEPerplexity

Senior Machine Learning Engineer - Search(m/w/x)

Berlin
Full-timeOn-siteSenior
AI/ML
Data Science

Building core components for retrieval and ranking systems, optimizing RAG pipelines at an ML technology firm. Proven track record with large-scale search/recsys, 5+ years project experience required. High autonomy in project execution.

Requirements

  • Deep understanding of search and retrieval systems
  • Proven track record with large-scale search or recommender systems
  • Self-driven with strong ownership and execution
  • Minimum of 5 years working on search or recsys-related projects

Tasks

  • Push search quality forward using models, data, and tools
  • Architect and build core components of the search platform
  • Train and evaluate retrieval, ranking, and classification models
  • Deploy models in a scalable and efficient manner
  • Build and optimize RAG pipelines for grounding and answer generation
  • Collaborate with Data, AI, Infrastructure, and Product teams for timely delivery

Work Experience

  • 5 years

Education

  • Bachelor's degreeOR
  • Master's degree

Languages

  • EnglishBusiness Fluent

Benefits

Healthcare & Fitness

  • Comprehensive health insurance
  • Dental insurance
  • Vision insurance

Retirement Plans

  • 401(k) plan
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