Data Scientist with ranking system exp

Hadiamondstar Software Solutions LLC
Washington, US
Remote

Job Description

#W2 Requirement

Required Skills

  • Strong experience in e-commerce search / search relevance systems
  • Hands-on expertise in Learn to Rank (LTR) models
  • Experience with vector similarity search / semantic search
  • Proficiency in Python
  • Experience with ML libraries:
  • scikit-learn
  • XGBoost
  • TensorFlow or PyTorch
  • Experience with search platforms:
  • Elasticsearch
  • Solr or Vespa
  • Familiarity with ANN frameworks:
  • Faiss
  • Annoy
  • Milvus
  • Strong understanding of:
  • Information Retrieval concepts
  • Ranking algorithms
  • Relevance metrics (NDCG, MAP, etc.)

Skills & Requirements

Technical Skills

PythonScikit-learnXgboostTensorflowPytorchElasticsearchSolrVespaFaissAnnoyMilvusE-commerceSearchRelevanceRankingInformation_retrieval

Employment Type

FULL TIME

Level

senior

Posted

5/5/2026

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