Join Amazon's Fulfillment by Amazon (FBA) team, a revolutionary service that enables sellers worldwide to leverage Amazon's vast distribution network. As a Senior Software Engineer, you'll be at the forefront of building mission-critical systems that manage billions of products globally. FBA operates like a startup within Amazon, offering great flexibility in product and technology direction. You'll work on highly scalable distributed systems, leading technical initiatives that directly impact sellers across 135 countries. The role combines technical leadership with hands-on development, requiring expertise in system architecture, distributed computing, and large-scale data management. You'll collaborate with product teams, mentor other engineers, and drive best-in-class solutions. The position offers competitive compensation based on location ($151,300-$261,500), plus equity and comprehensive benefits. This is an opportunity to shape the future of e-commerce while working with passionate leaders and a strong team culture. The role requires 5+ years of professional experience and a proven track record in technical leadership.