Sr. Software Development EngineerScale at Amazon is, well, really big. As a Senior Software Development Engineer in the Books Detail Page team, youll be at the forefront of Amazons eCommerce experience, building solutions that impact millions of customers worldwide. Youll work on high-scale, complex systems that require innovative thinking and technical excellence. Youll be part of a small, diverse team that makes the Amazon magic happen by creating compelling, customer-centric features that help readers discover and evaluate books effectively. Key job responsibilities Lead technical architecture and design of complex software systems across multiple teams Drive engineering excellence through mentorship, code reviews, and establishing best practices Solve intrinsically hard problems with simple, maintainable solutions that scale Influence technical roadmaps and strategic planning for the organization Partner with product teams and stakeholders to define technical strategy and align with business objectives Lead design reviews and technical discussions across teams, ensuring architectural consistency Identify and tackle systemic issues that impact software quality or team productivity Balance speed of execution with architectural requirements and operational excellence Own end-to-end delivery of critical features from design through production deployment Establish metrics and monitoring strategies that provide visibility into system health and customer impact A day in the life As a Senior SDE, youll lead technical design reviews, mentor other engineers, and work on solving complex architectural challenges. Youll collaborate with TPMs and Product Managers to define technical strategy and ensure solutions align with long-term architectural vision. Youll spend time reviewing critical design decisions, participating in cross-team technical discussions, and driving improvements in engineering practices. Youll also be involved in hiring and growing technical talent within the organization. Your day might include: architecting a new feature that improves book discovery, conducting a design review for a system handling millions of requests, mentoring a junior engineer on distributed systems patterns, or collaborating with product teams to shape the roadmap for customer-facing innovations. About the team Books Detail Page is the cornerstone of Amazons Books eCommerce funnel. After successfully addressing technical debt, were now in an exciting phase of customer-focused innovation. As a Senior SDE, youll play a crucial role in shaping the technical direction of our systems while working with three collaborative teams. Youll have the opportunity to influence the architecture of features that help millions of customers make informed decisions about their book purchases. Our team values technical excellence, customer obsession, and collaborative problem-solving. We work in an environment that encourages innovation, supports professional growth, and celebrates diverse perspectives. BASIC QUALIFICATIONS - Experience as a mentor, tech lead or leading an engineering team - Experience leading the architecture and design (architecture, design patterns, reliability and scaling) of new and current systems - Experience in professional, non-internship software development - Experience programming with at least one modern language such as Java, C++, or C# including object-oriented design - Experience in development in the last 3 years PREFERRED QUALIFICATIONS - Bachelors 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. Our inclusive culture empowers Amazonians to deliver the best results for our customers. Java, C++, C#