Software Engineer II, Leo Regulus

Job summary

DESCRIPTION Amazon Leo is launching satellite-based connectivity in 100+ countries. Every country launch requires validation across tax, accounting, disbursement, legal, trade, and core commerce — thousands of test cases, dozens of teams, months of sequential human work.

Benefits

Qualifications

• Export Control Requirement: Due to applicable export control laws and regulations, candidates must be a U.
• 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.
• 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
• 2+ years of full stack development experience
• PREFERRED
• 3+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience

Responsibilities

• Key Job
• 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 II 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

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