Do you love developing products that impact millions of people around the world? Would you enjoy identifying, defining, and building software solutions that revolutionize how businesses operate? AWS Utility Computing (UC) provides product innovations - from foundational services such as Amazon's Simple Storage Service (S3) and Amazon Elastic Compute Cloud (EC2), to consistently released new product innovations that continue to set AWS's services and features apart in the industry. As a member of the UC organization, you'll support the development and management of Compute, Database, Storage, Internet of Things (Iot), Platform, and Productivity Apps services in AWS. The AuthRuntimeClient (ARC) team at Amazon Web Services (AWS) is looking for a Senior Software Development Engineer to build, deliver, and maintain complex products that delight our customers and raise our performance bar. ARC handles every single request across all AWS Services, sustaining over a billion transactions per second. We are building the most secure, reliable, scalable, and performant authentication and authorization platform on the planet. On this team, you'll have the opportunity to tackle challenging technical problems, innovate for services across all of AWS, and raise our high-bar on security for all of our customers. You will thrive by being creative, responsible, and curious, leading the team to quickly turn code into customer solutions. If you're passionate about the massive cloud computing opportunity, have delivered high-quality solutions in hyper-growth environments, and want to solve challenging problems at unparalleled scale, we want to talk to you.