Sr.SoftwareDevelopmentEngineer,AWSInvoicing

We're looking for a Senior SDE to own and drive the design, implementation, and operational excellence of distributed systems that power AWS's invoicing platform. You'll work on high-scale, high-availability services that handle invoice generation, tax calculation integration, e-invoicing compliance, and statement delivery. This is a hands-on technical leadership role where you'll influence architecture decisions, raise the engineering bar, and mentor engineers across the team. Why Join Us - Direct impact on AWS's bottom line — every AWS customer interacts with what we build - Complex problem space spanning distributed systems, regulatory compliance, and global scale - Opportunity to shape the technical direction of a growing organization - Work with a team that values operational rigor, customer obsession, and engineering craftsmanship Key job responsibilities - Design and build scalable, fault-tolerant distributed systems that process invoices for AWS's global customer base - Own end-to-end delivery of complex features — from requirements through design, implementation, testing, deployment, and operations - Drive technical strategy and architecture for your area, making trade-offs that balance business needs with long-term maintainability - Lead operational excellence efforts including on-call, runbook development, alarming, and incident response - Mentor and grow junior and mid-level engineers through code reviews, design reviews, and day-to-day collaboration - Partner with product managers, tax specialists, and cross-functional teams to translate complex regulatory requirements into reliable software solutions - Identify and eliminate technical debt, improve system reliability, and reduce operational burden - Contribute to org-wide engineering standards, best practices, and tooling About the team AWS Invoicing is responsible for generating accurate, timely, and compliant invoices for millions of AWS customers worldwide. We operate at the intersection of billing,