Senior Software Engineer - AI/ML Systems at Scale

Amazon; Sunnyvale (CA); On-site; USD 193,300 - 261,500; Full time

Job summary

Amazon Sunnyvale is seeking a Software Development Engineer III for the Unified Intelligent Matching Systems team (UIMS). You will own end-to-end architecture and delivery of large-scale distributed systems with AI/ML-powered product matching capabilities, shaping the world’s best product catalog and customer experience.

You’ll design systems handling billions of transactions, collaborate across teams, and translate high level goals into robust production systems that scale with Amazon’s needs.

Qualifications

• 5+ years of non-internship professional software development experience
• 5+ years of programming with at least one software programming language experience
• 5+ years of leading design or architecture of new and existing systems experience
• Experience as a mentor, tech lead or leading an engineering team

Responsibilities

• Owning end-to-end design, implementation, and operational excellence for complex features spanning multiple services and teams
• Leading architecture decisions for large-scale systems handling hundreds of millions of transactions daily with AI/ML components
• Navigating technical and organizational ambiguity; translating vague requirements into implementable solutions under tight schedules
• Designing systems from scratch in fast-evolving domains; integrating with Amazon's established ecosystem including LLM deployments, agentic systems, and workflow optimization pipelines
• Building and optimizing inference infrastructure for multimodal models at scale, including embedding-based systems, and cascaded inference architectures
• Driving change across teams through technical influence, unblocking others and establishing architectural consistency across engineering and science workstreams
• Mentoring junior and mid-level engineers; providing meaningful feedback through code reviews and technical guidance
• Communicating effectively across multiple stakeholders; making strategic trade-offs balancing velocity with long-term system health
• Partnering closely with Applied Scientists to translate ML research into production systems that process billions of records

Skills

Distributed systems

AI/ML fundamentals

Mentor/leadership

Senior software development

Education

Bachelor's degree in computer science or equivalent

Job description

Amazon Sunnyvale is seeking a Software Development Engineer III for the Unified Intelligent Matching Systems team (UIMS). You will own end-to-end architecture and delivery of large-scale distributed systems with AI/ML-powered product matching capabilities, shaping the world’s best product catalog and customer experience.

You’ll design systems handling billions of transactions, collaborate across teams, and translate high level goals into robust production systems that scale with Amazon’s needs.