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 and damaged products, utilizing machine learning models for automation and optimization. You'll be part of a team that drives incredible customer, business, and environmental impact while maintaining a reasonable work-life balance. The position offers substantial career growth opportunities within an established team backed by strong leadership focused on operational excellence. This role combines technical leadership with hands-on development work, making it perfect for experienced engineers who want to make a significant impact on both business and environmental sustainability.