Join Amazon's Worldwide Returns and ReCommerce team (WWR&R), an innovative organization dedicated to 'making zero happen' through their mission of eliminating defects that cause returns, delivering zero cost returns, and achieving zero product waste to landfill. As a Senior Software Development Engineer, you'll work on developing massively scalable, distributed real-time systems using C++, Java, and object-oriented design patterns. The role involves solving complex problems while supporting the team's rapid evolution and growth. WWR&R manages the entire lifecycle of returned or damaged products, utilizing machine learning models for automation and optimization. The team offers strong leadership support, work-life balance, and substantial career growth opportunities. You'll be part of a mission-driven organization that impacts customers, business, and environmental sustainability while working with cutting-edge technologies and distributed systems. The position requires technical leadership, mentoring abilities, and a passion for operational excellence. This is an opportunity to make a significant impact at Earth's most customer-centric company while contributing to environmental sustainability initiatives.