✦ Luna Orbit — Software Engineering

Software Development Engineer, AWS Marketplace Catalog Search

at Amazon.com

📍 US, WA, Seattle Hybrid Posted March 13, 2026
Type Not Specified
Experience mid
Exp. Years Not specified
Education Not specified
Category Software Engineering

This role involves developing and maintaining search relevancy and ranking systems for AWS Marketplace, focusing on query understanding, ML integration, and evaluation frameworks.

  • Develop search relevancy systems
  • Implement ranking algorithms
  • Optimize query understanding
  • Integrate ML models
  • Build evaluation frameworks

The position requires expertise in search algorithms, ranking, embeddings, hybrid retrieval architectures, and ML model deployment, with a focus on improving search quality and performance.

The ideal candidate is a software engineer with experience in search systems, ranking algorithms, and machine learning integration, capable of handling complex retrieval architectures and optimizing search relevance.

Search relevancyRanking systemsQuery understandingML model integrationA/B testing
Large language modelsConversational AIContent enrichmentHybrid retrieval
BM25Vector searchML frameworksA/B testing toolsSearch APIs
Search relevancyRanking systemsQuery intent classificationEmbeddingsML-powered enrichmentHybrid retrievalBM25Vector searchML modelA/B testing
Search relevancyRanking systemsQuery intent classificationEmbeddingsML-powered enrichmentHybrid retrieval architecturesBM25Vector searchML model integrationA/B testing
Problem-solvingCollaborationAnalytical thinkingCommunicationOwnership
Industry E-commerce / Cloud Computing / SaaS
Job Function Search system development and optimization
Search relevancyRanking systemsQuery intent classificationEmbeddingsML-powered enrichmentHybrid retrievalBM25Vector searchML modelA/B testingSearch APIsRecommender systemsLarge language modelsConversational AIContent enrichmentQuery understanding

Lack of experience with search relevance or ranking systems, No background in ML model integration, Inability to work in Seattle, Lack of problem-solving skills

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