Amazon Financials Foundation Services (AFFS), a division within Amazon’s eCommerce Services Organization (eCS) is leading innovation in business systems integration and defining the future of financial accounting at Amazon scale. Our systems are advancing one of the world's most scalable, reliable, and secure e-commerce ecosystem and responsible for processing hundreds of billions of dollars in transactions, in multiple currencies and countries. We are at the center of Amazon’s key initiatives and fueling the growth of Amazon’s businesses worldwide by constantly raising the bar on the speed at which business teams can integrate with our systems.We are looking for software engineers who thrive on complex problems and relish the challenge of operating complex and mission critical systems under loads. Our systems manage hundreds of millions of records, and respond to millions of service requests per minute. Do you think you are up to the challenge? Or would you like to learn more and stretch your skills and career?As SDE III here, you will build, scale, monitor, and optimize systems within AFFS. You will interface with several teams including Retail Systems, Marketplace Systems, Digital Systems, Web services, Financial systems and operations. Our mission is to provide a world-class customer experience using scalable and robust software, so the challenges and opportunities span both the business and technical realms.The successful candidate is expected to contribute to all parts of the software development and deployment lifecycle, including design, development, documentation, testing and operations. They must possess good verbal and written communication skills, be self-driven and deliver high quality results in a fast paced environment. They need to enjoy working closely with their peers in a group of very smart and talented engineers.Key job responsibilitiesWork with the team to help drive business decisionsDesign, implement, test, deploy and maintain innovative software solutions to drive services optimizations, cost, and security.Use software engineering best practices to ensure a high standard of quality for all of the team deliverablesWrite high quality distributed system softwareWork in an agile, startup-like development environment, where you are always working on the most important projects