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# Software Engineer III, Leo Regulus

- **Company:** Amazon.com, Inc.
- **Location:** Redmond, WA, United States
- **Experience:** Expert
- **Salary:** $168,100.0 - $227,400.0
- **Contract:** Internship / Graduate position
- **Skills:** Artificial Intelligence, Automation of Tests, Code Review, Computer Programming, Software Design Patterns, Distributed Systems, Software Engineering, Test Execution Engine, AI Infrastructure, Build Management, Information Technology, Build Process, Virtual Agents, Software Coding, Software Version Control, Programming Languages
- **Published:** August 21, 2026
- **Apply:** https://dejobs.org/x/x/981AFBABF24D4528B2393447F17520BF/job/

## About the Role

* 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 (design patterns, reliability and scaling) of new and existing systems experience
 * Experience as a mentor, tech lead or leading an engineering team, * 5+ 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

## Description

*Design and build autonomous AI agents that execute end-to-end ecommerce validation without human intervention

 * Build orchestration systems that coordinate dozens of domain-specific agents working in parallel
 * Create knowledge base architectures that ground agent behavior in accounting, tax, and compliance rules
 * Solve novel problems at the intersection of AI, distributed systems, and financial domain complexity

A day in the life

An SDE III on Leo Regulus will be responsible for designing, building, and operating autonomous AI agent systems that automate the end-to-end ecommerce launch lifecycle - from requirements generation through financial configuration, test execution, and validation - enabling Amazon Leo to scale country and feature launches across 100+ markets without proportional headcount growth.

About the team

We are a team building the AI infrastructure that makes Amazon Leo's 100-country launch possible. Our entire stack is AI-native - every system we build either is an agent, powers an agent, or feeds an agent. We don't maintain legacy test frameworks or manual runbooks. We build autonomous systems and point them at problems that would otherwise require hundreds of engineers.


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