SDE – AWS Marketplace Search & Relevance

Amazon; Seattle (WA); On-site; USD 144,000 - 194,000; Full time

Benefits offered by this job

Health insurance

RSUs

Sign-on payments

Parental leave

Job summary

Amazon’s AWS Marketplace Catalog Search team seeks a Software Development Engineer to own end-to-end development of search and ranking for the AWS Marketplace catalog.

You will work on query understanding, embeddings, and ML-powered enrichment, influencing what customers see first across the marketplace and related surfaces. Collaborative environment with applied scientists and product managers; on-call rotations are part of the role.

Qualifications

• 3+ years of non-internship professional software development experience.
• 2+ years of design or architecture experience in scalable systems.
• 1+ years designing and developing large-scale, multi-tiered or distributed software applications and services using languages like C#, C++, Java, or Perl.
• 1+ years of Object Oriented Design experience.
• Bachelor's degree in Computer Science, Engineering, Mathematics, or related field.

Responsibilities

• Search relevancy and ranking systems that serve AWS Marketplace's full product catalog.
• Query understanding and intent classification – determining whether a customer wants a product, a comparison, or a recommendation.
• Embedding pipelines and hybrid retrieval architectures (BM25 + vector search).
• ML model integration for ranking, content enrichment, and signal normalization.
• Evaluation frameworks – golden datasets, offline metrics (NDCG, MRR), A/B testing infrastructure.
• Search APIs consumed by multiple surfaces including the Marketplace website, AWS console integrations, and AI-powered agent experiences.
• Operational excellence for a system that handles every search query on the platform.

Skills

Software development

Software architecture

Distributed systems

OO design

Education

Bachelor's degree in CS or related field

Job description

Amazon’s AWS Marketplace Catalog Search team seeks a Software Development Engineer to own end-to-end development of search and ranking for the AWS Marketplace catalog.

You will work on query understanding, embeddings, and ML-powered enrichment, influencing what customers see first across the marketplace and related surfaces. Collaborative environment with applied scientists and product managers; on-call rotations are part of the role.