Software Development Engineer, Fees Tech

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 financial 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's platform.Key job responsibilitiesA. Technical Development1. Design, develop, and maintain scalable services and applications that close parity gaps between established and emerging marketplaces2. Implement complex business logic for fee calculations, incentives, and adjustments with high reliability and accuracy3. Write high-quality, well-tested code that meets Amazon's engineering standards4. Participate in code reviews and provide constructive feedback to peers5. Troubleshoot and resolve complex technical issues in production environments6. Collaborate with other engineers to identify and implement technical improvements, document services, APIs, and architectural decisionsB. Innovation & Problem Solving1. Contribute to the adoption of GenAI tools to improve development workflows and efficiency2. Propose and implement technical solutions that address specific marketplace expansion challenges3. Identify opportunities for reuse and standardization across marketplace implementations4. Analyze and improve system performance, reliability, and scalability5. Participate in brainstorming sessions to solve complex technical and business problemsC. Cross-Functional Collaboration1. Work effectively with Product Managers to understand business requirements and translate them into technical solutions2. Partner with other engineering teams to ensure seamless integration between systems3. Communicate technical concepts clearly to both technical and non-technical stakeholders4. Collaborate with teams across different geographic locations and time zones5. Participate in planning activities including sprint planning, estimation, and retrospectivesBasic Qualifications:- Bachelor's degree in computer science or equivalent- 3+ years of non-internship professional software development experience- Experience contributing to the architecture and design (architecture, design patterns, reliability and scaling) of new and current systems- Experience programming with at least one software programming languagePreferred Qualifications:- 3+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience- Master's degree in computer science or equivalent- Experience with GenAI tools and frameworks for software developmentOur inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit for more information. If the country/region you're applying in isn't listed, please contact your Recruiting Partner.