Systems Dev Engineer II

We're seeking a Systems Development Engineer II to enhance B2B commerce infrastructure at Amazon Business 3P - global organization. You'll build mission-critical, high-volume systems that power how businesses sell on Amazon, directly impacting millions of B2B transactions and seller experiences worldwide. Join our entrepreneurial team where you'll architect scalable distributed systems spanning multiple business domains. This high-visibility role offers the opportunity to make significant impact on customer experience while working with GenAI and Agentic AI technologies to optimize B2B seller operations. What You’ll Do Design and build tools to improve overall service availability and operational stability for B2B commerce systems Collaborate with service teams to achieve full continuous deployment of tier 1/tier 2 services supporting $25B in business transactions Improve service resiliency by managing security, availability and other risks across seller-facing platforms Own internal billing for all services on the team, exploring efficiency opportunities across various B2B products/platforms Own initiatives to reduce operational burden and improve quality of resolution for seller support contacts Own and operate the entire production operational space including monitoring, alarming, dashboard generation, and documentation Collaborate with service teams on design reviews to make B2B seller platforms robust and scalable Drive innovation through emerging AI technologies to enhance seller experience and business growth Key Job Responsibilities Infrastructure & Operations Design and build tools for service availability and operational stability Own production operations: monitoring, alarming, dashboards, documentation Manage infrastructure costs and identify efficiency opportunities Implement CI/CD pipelines for tier 1/tier 2 services System Architecture Architect scalable distributed systems supporting $25B B2B transactions Build services for Seller Central, certifications, pricing, and analytics Collaborate on design reviews for robust, scalable platforms Develop reusable automation and processes Service Reliability Improve service resiliency and manage operational risks Troubleshoot distributed systems and perform root cause analysis Reduce operational burden and improve customer resolution quality Ensure high availability for seller-facing systems Cross‑Team Collaboration Work across Retail, Tax, Seller Central, Accounting, and Finance systems Partner with teams for continuous deployment Support integration with multiple commerce platforms Collaborate with global teams on seller experience initiatives Innovation & Leadership Drive GenAI and Agentic AI technologies for seller optimization Contribute to AI‑powered seller dashboards and news briefings Establish engineering excellence practices Mentor junior engineers and influence architecture decisions About the Team At Amazon Business Third Party (AB3P) Tech, we're revolutionizing B2B e‑commerce by empowering sellers in the business marketplace. Our scope spans the complete B2B selling journey, from Seller Central to Amazon Business detail pages, cart, and checkout for merchant‑fulfilled offers. Our entrepreneurial culture and global reach define us. We develop features across seller experience, delivery, certifications, fees, registration, and analytics, collaborating with worldwide teams and leveraging advanced AI technologies to continuously innovate. Working in true Day 1 spirit, we build next‑generation solutions that shape the future of B2B commerce. Basic Qualifications Experience in automating, deploying, and supporting large‑scale infrastructure Experience programming with at least one modern language such as Python, Ruby, Golang, Java, C++, C#, Rust Experience with Linux/Unix Experience with CI/CD pipelines build processes Preferred Qualifications Experience with distributed systems at scale 2+ years of industry work in a related environment experience 1+ years of work in at least two of these languages: Python, Java, Perl, PHP, Ruby or Bash/Shell experience Our 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. Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status. #J-18808-Ljbffr