Senior Software Development Engineer

Who you are

• 5+ years of non-internship professional software development experience
• 5+ years of programming with at least one software programming language experience
• 5+ years of leading design or architecture (design patterns, reliability and scaling) of new and existing systems experience
• Experience as a mentor, tech lead or leading an engineering team
• 5+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
• Bachelor's degree in computer science or equivalent

What the job involves

• Charge Calculation is the backbone of every purchase on Amazon
• We own the systems that orchestrate how charges are computed, represented, and communicated across the entire consumer buying journey — from cart to confirmation
• Our services sit at a critical intersection of Amazon's eCommerce platform, touching dozens of upstream and downstream systems that power the purchase experience for hundreds of millions of customers worldwide
• This is high-impact work: designing solutions that balance correctness, performance, and resilience — all while the business evolves rapidly around us
• Scale that matters — Your solutions run in the critical path of every Amazon purchase, impacting hundreds of millions of customers daily
• Meaningful problems — Design and deliver systems that ensure accuracy and reliability in one of the most important domains in eCommerce
• Shape what's next — Help drive Amazon's multi-year strategic growth initiatives, architecting solutions that don't yet exist
• Grow with great people — Collaborate with sharp, senior engineers in a high-ownership environment where your ideas make a real difference
• 🔹 Architect & Lead Large-Scale Technical Solutions Own the end-to-end design of complex, distributed systems — from broadly defined business problems to production-ready architectures that scale to millions of customers
• 🔹 Drive Engineering Excellence & Best Practices Raise the bar across the team by championing operational excellence, code quality, security, and reliability — establishing patterns and standards that endure as the system grows
• 🔹 Mentor & Grow Engineering Talent Serve as a technical leader and force-multiplier — coaching engineers, leading design reviews, and cultivating a culture of ownership and continuous learning across the organization
• 🔹 Shape Technical Strategy with Business Impact Bridge technology and business by deeply understanding customer needs, influencing the team's long-term roadmap, and ensuring engineering investments align with strategic objectives
• The Charge Calculation team is a crucial part of Amazon's eCommerce foundation. We own systems integral to the full lifecycle of consumer purchasing on Amazon. Our team orchestrates charge calculations and provides comprehensive charge summaries to clients. We also own the model that defines charge representation in the workflow, impacting numerous up and downstream services in the purchase journey