Join Amazon's Tax Platform Services team to work on one of the world's largest transactional distributed systems. This role focuses on building and maintaining the core services that calculate taxes (sales tax and VAT) for all Amazon sales globally and generate tax invoices. The team handles complex challenges of staying current with global tax rates and laws while computing calculations quickly and accurately at massive scale - processing thousands of transactions per second. You'll be working with cutting-edge distributed systems that manage hundreds of millions of records and handle millions of service requests per minute. The role involves full-stack development using Java in a Linux and Oracle environment, working closely with talented engineers and customers across Amazon's business units. This is an excellent opportunity for developers who enjoy solving complex technical and business problems at scale while ensuring high reliability and compliance with global tax regulations.