Amazon Web Services, Inc. seeks a Software Development Engineer II to design, build, and operate highly available connectivity services that link buildings, devices, and AWS cloud infrastructure. You will own services end-to-end, from architecture and coding to deployment, monitoring, and incident response. Partner with product, networking, and security teams to deliver robust APIs, improve latency and reliability, and automate operations. You will apply data-driven decisions, mentor peers, review code, and continuously improve engineering standards in a fast-paced, customer-obsessed culture.