SoftwareDevelopmentEngineer

Are you a Software Development Engineer who thrives on solving complex technical challenges with real business impact? Do you want to build systems that process billions of transactions and directly affect the success of millions of entrepreneurs worldwide? Join our Seller Fees Tech organization where you'll develop critical financial services that power Amazon's global marketplace expansion. At Seller Fees Tech, you'll work on distributed systems that calculate, process, and apply complex fee structures across Amazon's global marketplaces. Your code will directly impact over 2MM+ active sellers who rely on our systems for accurate, transparent financial transactions every day. You'll tackle fascinating engineering problems like implementing precise financial calculations at massive scale, optimizing high-throughput services handling millions of transactions per hour, and ensuring data consistency across diverse marketplace implementations. As an SDE II on our Expansions team, you'll design and build services that standardize fee structures, incentive programs, and fee adjustment mechanisms across established and emerging marketplaces. You'll work with modern tech stacks to create robust APIs, develop scalable microservices, and implement complex business logic. This role provides exceptional growth opportunities as you'll help pioneer the adoption of GenAI tools to accelerate development cycles and improve code quality. This position offers the perfect blend of technical depth and business impact—your code will not only solve fascinating engineering challenges but also enable entrepreneurs worldwide to build successful businesses on Amazon. Key job responsibilities A. Technical Development 1. Design, develop, and maintain scalable services and applications that close parity gaps between established and emerging marketplaces 2. Implement complex business logic for fee calculations, incentives, and adjustments with high reliability and accuracy 3. Write high-quality,