Are you passionate about building the infrastructure that powers thousands of services across Amazon? The Hosted Execution (HEX) team is looking for a passionate, result-driven, and innovative Software Development Engineer II to deliver infrastructure solutions for all types of internal Amazon services. In this role, you will design and implement technical solutions that drive the strategic transition from legacy hosting products (HEX and Honeycomb) to AWS-native solutions, while developing innovative Cloud Development Kit (CDK) constructs that form the foundation of Amazon Stores' compute infrastructure. You'll work on dynamic, highly distributed systems in a customer-centric environment, building automation that improves developer productivity and operational excellence across the organization. This is a unique opportunity to influence compute infrastructure decisions that impact thousands of Amazon services, working closely with partners to develop sustainable solutions that emphasize operational excellence, safety, cost efficiency, and ease of use. If you're excited about contributing to the innovations that power Amazon's next generation of computing architecture and making broad impacts across all Amazon business lines — including Stores, Kindle, Alexa, Pharmacy, and Payments — we'd love to hear from you. Key job responsibilities * Design and build highly distributed systems and customer-friendly tools that enable the migration of services from legacy HEX/Honeycomb platforms to AWS-native solutions. * Develop infrastructure CDK constructs that serve as the foundation for the Stores compute platform, ensuring they meet diverse organizational requirements while maintaining architectural integrity. * Build automation to improve operations, maintenance, and developer productivity for HEX platform customers. * Identify and implement solutions that detect and prevent outages, improving system reliability and operational excellence. * Provide operational support for HEX services, including troubleshooting complex distributed systems issues and reducing compliance risks. * Collaborate with cross-functional partners to gather requirements, design technical solutions, and drive customer migrations with minimal disruption. * Contribute to the team's technical vision and architecture, balancing immediate migration needs with long-term strategic goals. * Participate in on-call rotations and maintain operational health metrics for services owned by the team.