Software Dev Engineer II, AFFS - ARS (Amortization Runtime Subledger)

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 responsibilitiesDesign, develop, and maintain USL (Universal Subledger) and rACE (replayable Amortization Calculation Engine) systems, ensuring high availability and data integrity for critical financial operationsOwn full software development lifecycle: architecture design, implementation, testing, deployment, and operational support of critical financial servicesDevelop solutions for variance reconciliation, ensuring data consistency and accuracy across financial platformsDrive operational excellence through robust monitoring, alarming, and automated issue resolutionMentor junior engineers and raise technical standards through code reviews, design discussions, and best practicesParticipate in on-call rotation supporting production systems and resolving critical issuesOptimize system performance and scalability to handle growing transaction volumesAbout the teamAmazon 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- 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 volumesAbout the teamAmazon 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.Basic qualifications- 3+ years of non-internship professional software development experience- 2+ years of non-internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience- Experience programming with at least one software programming languagePreferred qualification - 3+ 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 equivalentAmazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.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.The base salary range for this position is listed below. As a total compensation company, Amazon's package may include other elements such as sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon offers comprehensive benefits including health insurance (medical, dental, vision, prescription, basic life & AD&D insurance), Registered Retirement Savings Plan (RRSP), Deferred Profit Sharing Plan (DPSP), paid time off, and other resources to improve health and well-being. We thank all applicants for their interest, however only those interviewed will be advised as to hiring status.CAN, BC, Vancouver - 114,800.00 - 191,800.00 CAD annually