Software Development Engineer, AWS Marketplace Catalog Search

Amazon • Seattle, WA

3d

About The Position

AWS Marketplace helps millions of AWS customers discover, evaluate, and procure
software. The Search team is the intelligence layer behind that discovery; we
build the systems that understand what customers are looking for and connect
them with the right products, solutions, and services.

We're a small, high-impact team working on search relevancy, ranking, query
intent classification, embeddings, and ML-powered enrichment. Our systems serve
every search query on AWS Marketplace and increasingly power adjacent
experiences like Agent Mode, console integrations, and the broader AWS discovery
ecosystem. The problems are genuinely interesting: hybrid search architectures,
LLM-based content enrichment, cross-encoder re-ranking, and building evaluation
frameworks that let us measure whether we're actually getting better.

We're looking for a Software Development Engineer who wants to own hard problems
end-to-end. You'll design and build systems that directly impact how customers
find software on AWS; from the query understanding layer that classifies intent,
to the ranking models that decide what shows up first, to the evaluation
infrastructure that tells us if we got it right.

This isn't a role where you'll be handed a spec and asked to implement it.
You'll be expected to dig into the data, form hypotheses about what's broken or
missing, propose solutions, and ship them. You'll work closely with applied
scientists, product managers, and partner teams building conversational AI and
agentic experiences on top of our search platform.

We're a team that values depth over breadth. We'd rather you understand the
problem deeply and ship something well-tested than rush to check a box. Code
reviews are thorough but collaborative — we learn from each other. We run lean,
which means your work has outsized impact, but also that you need to be
comfortable with ambiguity and context-switching.

On-call is part of the deal - typically one week every two months. We invest
heavily in operational health so pages are rare, and when they happen, we fix
the root cause so it doesn't happen again.

We're a mix of experience levels and backgrounds. Senior engineers mentor newer
team members, and everyone's opinion on architecture and approach carries weight
regardless of title. We do our best work when we're learning from each other.

Requirements

• 3+ years of non-internship professional software development experience
• 2+ years of non-internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience
• 1+ years of designing and developing large-scale, multi-tiered, multi-threaded, embedded or distributed software applications, tools, systems, and services using: C#, C++, Java, or Perl experience
• 1+ years of Object Oriented Design experience
• Bachelor's degree or foreign equivalent in Computer Science, Engineering, Mathematics, or a related field

Nice To Haves

• 3+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
• Bachelor's degree in computer science or equivalent
• Experience programming with at least one software programming language
• 1+ years of software development engineer or related occupational experience

Responsibilities

• Search relevancy and ranking systems that serve AWS Marketplace's full product catalog
• Query understanding and intent classification - figuring out whether a customer wants a specific 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

Benefits

• health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and option for Supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, Adoption and Surrogacy Reimbursement coverage)
• 401(k) matching
• paid time off
• parental leave

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level