Amazon's World Wide Stores Fintech team is seeking a Senior Software Development Engineer to build cutting-edge technical solutions for multi-billion dollar Operational Cost analytics. This role combines big data, machine learning, and AWS technologies to create impactful solutions that influence major business decisions. As a full stack developer, you'll work with a talented team to develop APIs and web-based solutions that enable one-click analysis of trillions of events. The position offers unique challenges in building highly scalable systems that process massive datasets, working with ML scientists, and directly impacting Amazon's cost optimization strategies. You'll use technologies like Java, Python, SQL, and AWS services while working in an innovative environment that encourages creative problem-solving. This role provides an exceptional opportunity to make a significant impact on Amazon's worldwide operations while working with cutting-edge technologies and talented professionals. The position offers competitive compensation, comprehensive benefits, and the chance to work on problems that haven't been solved at scale before.