At Amazon Supply Chain, we power the world's fastest-growing e-commerce business and embrace the mission of being Earth’s most customer-centric company. As our business continues to expand, the customer fulfillment operations become larger and more complex each year. Team Overview: The European Sales and Operations Planning (EU S&OP) team plays a pivotal role in forecasting inventory flows across various countries. We manage everything from what Amazon receives from vendors and sellers to what it ships from our Fulfillment Centers (FCs). Our responsibilities also include measuring S&OP performance and driving continuous improvement in planning processes for local networks, with a focus on reliability, speed, cost, and sustainability. We collaborate closely with Supply Chain Optimization Technology (SCOT) teams in North America and internal tech stakeholders across Transportation, Labor Planning, and Finance teams. As part of S&OP, the Planning Automation Modules (PAM) team is currently revolutionizing the way S&OP generate plans, building a dedicated infrastructure to support the S&OP process at a global scale. This includes platforms to run complex optimization models on-demand in a fast and scalable ways. The current version of PAM is already in use in Europe and North America and used to plan inventory flows across more than 300 FCs globally. Your Role: We are now seeking an SDE II to help us scale PAM for worldwide operations. This is a Day 1 opportunity to be part of an entrepreneurial and pioneering team building from the ground up. The SDE II will be a force multiplier within the team by being a role model and by mentoring other SDEs in the team. They are fungible and able to pick up new systems and quickly consult when needed. They understand the complexities in the design and solve them head on. We are looking for someone who has an established background delivering highly distributed systems at scale, design patterns like CDKs, libraries, versioning, and a strong operational track record while working with multiple teams. As an SDE II, this role provides you with autonomy and ownership to solve difficult problems, working backwards from customers. Your systems drive critical decisions for WW Operation teams, which brings scale and responsibility. You will use a wide range of technologies, programming languages and systems. Your responsibilities will include all aspects of software development. You will have the freedom and encouragement to explore your own ideas and the reward of seeing your contributions benefit Operation teams across the world. Key Qualifications: • Design scalable architectures for low-latency data processing. • Show initiative in investigating and solving problems. • Effectively communicate technical details with senior engineers from partner teams. • Communicate effectively with local and remote teams, both verbally and in writing. • Lead and be hands-on in investigating design approaches, prototyping technology, and evaluating technical feasibility. • Establish architectural principles, select design patterns, and mentor team members on their appropriate application. Why Join Us: • Autonomy and ownership to solve challenging problems that directly impact customers. • Critical role in driving decision-making for WW Operation teams, offering scale and responsibility. • Opportunity to build software products and experiment with different engineering strategies. • Freedom to explore your ideas and see their real-world impact on teams worldwide. Basic Qualifications - Experience (non-internship) in professional software development - Experience designing or architecting (design patterns, reliability and scaling) of new and existing systems - Experience programming with at least one software programming language Preferred Qualifications - Bachelor's degree in computer science or equivalent - Experience with full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations Amazon is an equal opportunities employer. We believe passionately that employing a diverse workforce is central to our success. We make recruiting decisions based on your experience and skills. We value your passion to discover, invent, simplify and build. Protecting your privacy and the security of your data is a longstanding top priority for Amazon. Please consult our Privacy Notice (https://www.amazon.jobs/en/privacy_page) to know more about how we collect, use and transfer the personal data of our candidates.