[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Amazon jobs](https://jobs.opennash.com/companies/amazon/) · [Search jobs](/search/) Amazon · CA, BC, Vancouver # Software Dev Engineer, AFFS - ARS (Amortization Runtime Subledger) CA, BC, Vancouver Software Engineering Listed on Amazon’s official careers site. Posted September 17, 2026. Check that it is still open and apply there. [Apply on Amazon’s careers site →](https://www.amazon.jobs/en/jobs/10552120/software-dev-engineer-affs-ars-amortization-runtime-subledger) [OpenNash Jobs](https://jobs.opennash.com/) / [Amazon](https://jobs.opennash.com/companies/amazon/) / Software Dev Engineer, AFFS - ARS (Amortization Runtime Subledger) ## Job description Join the Amortization Runtime Subledger (ARS) team within Amazon Financial & Fulfillment Services (AFFS), where we build mission-critical financial systems powering Amazon's global operations. Our team owns USL (Universal Subledger) and rACE (replayable Amortization Calculation Engine) systems—fundamental infrastructure processing millions of financial transactions with high accuracy and reliability. As a Software Development Engineer, you'll design massively scalable distributed systems handling complex financial workflows. You'll work on services requiring low latency, high throughput, and strong consistency, directly impacting Amazon's financial transaction tracking and reconciliation worldwide. ### Key job responsibilities Design, develop, and maintain USL (Universal Subledger) and rACE (replayable Amortization Calculation Engine) systems, ensuring high availability and data integrity for critical financial operations ### Own full software development lifecycle architecture design, implementation, testing, deployment, and operational support of critical financial services Develop solutions for variance reconciliation, ensuring data consistency and accuracy across financial platforms Drive operational excellence through robust monitoring, alarming, and automated issue resolution Mentor junior engineers and raise technical standards through code reviews, design discussions, and best practices Participate in on-call rotation supporting production systems and resolving critical issues Optimize system performance and scalability to handle growing transaction volumes ### About the team Amazon Financial Foundation Services (AFFS) integrates business systems to ensure accurate, timely, and auditable financial records across Amazon. Our mission is to enable Amazon businesses to start up, grow, and operate at Amazon scale while reducing manual effort and risk. AFFS teams build systems to record, transform, manage, and report on financial transactions from all Amazon businesses, ensuring seamless financial operations so business units can focus on delighting customers. ### Key job responsibilities - Own full software development lifecycle: architecture design, implementation, testing, deployment, and operational support of critical financial services ## At a glance - Posted by the employer: Sep 17, 2026 - First seen by OpenNash: Oct 11, 2026 - Last checked: Oct 11, 2026 - Listed for: 24 days - Location: CA, BC, Vancouver[Apply on Amazon’s careers site →](https://www.amazon.jobs/en/jobs/10552120/software-dev-engineer-affs-ars-amortization-runtime-subledger) ## More jobs at Amazon ### [Manager, Software Development, Fulfillment Optimization](https://jobs.opennash.com/companies/amazon/jobs/20b27ac9509d3d3b8bf3/) CA, BC, Vancouver ### [Senior Software Dev Engineer, EC2 Hyperplane](https://jobs.opennash.com/companies/amazon/jobs/c4a5ceac8b70fb511578/) CA, BC, Vancouver ### [Senior Software Development Engineer, AWS Eventbridge](https://jobs.opennash.com/companies/amazon/jobs/6a751eb744b7046c8897/) CA, BC, Vancouver ### [Senior Software Development Engineer, Amazon Private Brands](https://jobs.opennash.com/companies/amazon/jobs/3998745c8f0ab837cef8/) CA, BC, Vancouver ### [Software Dev Engineer II, Offers Platform, Catalog Systems, ASCS](https://jobs.opennash.com/companies/amazon/jobs/f27c3258ff3ce7a17475/) CA, BC, Vancouver ## Similar jobs at other companies ### [Software Engineer Sr - Full Stack Dev - Puerto Rico](https://jobs.opennash.com/companies/lockheed-martin/jobs/128ef3aa714a6ee637f2/) Lockheed Martin · Aguadilla, PR ### [Senior Software Dev QA Specialist](https://jobs.opennash.com/companies/fortinet/jobs/e27f20cf8499f020a9ba/) Fortinet · Burnaby, BC, Canada ### [Apps Dev Senior Engineer](https://jobs.opennash.com/companies/citigroup/jobs/51602845f3718aa9daf9/) Citigroup · London United Kingdom OpenNash lists jobs from employers’ own careers sites and does not handle applications. Dates come from the employer where stated; “first seen” and “last checked” are our own observations. OpenNash Jobs · Official listings with dates and links to the employer. [Weekly hiring report](/reports/hiring/) · [Methodology](/methodology/)