Amazon
Software Development Engineer II, Leo AI Foundations
$144K–$194K
Redmond, WA · Full-time · Posted Jul 14, 2026
- Experience
- 3+ years of professional software development; 3+ years of system design or architecture experience. Preferred: 3+ years across the full software development life cycle.
- Education
- Preferred: Bachelor's degree in computer science or equivalent.
- Visa sponsorship
- Candidates must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.
About the job
Designs and operates distributed data and analytics infrastructure for Amazon Leo, including lakehouse, metrics, and AI retrieval capabilities.
What you'll do
- Build scalable S3-based lakehouse and OLAP analytics systems, data ingestion, and quality frameworks.
- Develop metrics repositories, semantic data models, and federated query capabilities.
- Build distributed vector database infrastructure and hybrid search for AI retrieval.
What they ask for
- 3+ years of non-internship professional software development experience.
- 3+ years of experience designing or architecting new and existing systems, including design patterns, reliability, and scaling.
- Experience programming with at least one software programming language.
Nice to have
- 3+ years of full software development life cycle experience.
- Bachelor's degree in computer science or equivalent.
Pay
143,700.00 - 194,400.00 USD annually (base salary)
Tools
AWS, S3
AI focus
Supports agentic AI capabilities and AI retrieval through semantic data models, metrics schemas, vector databases, and hybrid search.
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