Amazon's Middle Mile team is transforming from outsourcing to managing transportation in-house with Line Haul Service Providers. The mission is to build the most efficient and optimal transportation solution globally, leveraging technology as a key differentiator. The team is developing solutions to route millions of freight items in real-time, optimizing both time and cost across vendors, warehouses, and carriers. The role involves building complex software systems that handle thousands of requests per second, making billion-dollar business decisions, and improving delivery experiences for millions of customers. The team seeks candidates with strong technical backgrounds, excellent project delivery skills, and experience with large-scale backend applications. The position offers competitive compensation based on location and experience, with opportunities to work on challenging logistics optimization problems that directly impact Amazon's transportation network efficiency.