The Software Dev Engineer III position at Amazon Web Services, Inc. involves driving the architecture and design of large-scale, multi-tiered, distributed software applications, tools, systems, and services. The role requires using object-oriented design and distributed programming, primarily in Java and C/C++. The engineer will gather business and functional requirements from customers and end-users, translating these into technical specifications to build robust, scalable, and supportable solutions. The position entails serving as a technical lead throughout the full development lifecycle, from scoping and planning to design, implementation, testing, documentation, delivery, and maintenance. Additionally, the engineer will provide design reviews for other engineers, offering feedback on architecture, design issues, integration, performance, and scalability. Managing resources on multiple technical projects to ensure alignment with technology and business goals is also a key responsibility.