Software Development Engineer, Ads Core Services

Build the real-time, globally distributed platform that controls billing, budgeting, payments, and promotions for Amazon Advertising — processing multi-million transactions worth 100x in dollar value daily with millisecond SLAs, directly impacting the experience of advertisers worldwide. Your work powers the financial levers behind one of Amazon's fastest growing businesses.The Iron Mountain platform is the singular system managing all advertiser-facing financial functions — billing, invoicing, accounting automation, budgets, promotions, payments, and Billing Advertiser Experience (AX) — in real-time while being transparent and auditable from the ground up. These systems serve Sponsored Ads worldwide across all advertising displayed on or off Amazon. With international expansion driving 10X traffic growth, you'll solve critical distributed systems challenges: building architecture that scales exponentially, maintains high availability with minimal downtime (where outages directly impact revenue and advertiser business), and guarantees millisecond response times for front-end advertiser experiences. Our team spans Bangalore, Seattle, and New York — truly global in spirit.Key job responsibilities- Design and build global, scalable, secure back-end applications for billing, budgeting, payments, and promotions at massive transaction volume- Build customer-facing front-end applications that enable frictionless billing, budgeting, and payments for advertisers- Architect high-availability, distributed systems with millisecond SLAs — ensuring zero revenue loss and uninterrupted advertiser experiences- Seamlessly integrate with downstream ad serving platforms, billing and budgeting systems across the broad variety of advertising programs with no loss in information- Design for 10X traffic growth — building easily scalable architecture that supports international expansion and new business needs- Own what you and your team create end to end — from feature design with customers, designers, and product managers through implementation, performance, and operational excellence- Identify and mitigate design risks early to increase speed of implementation; be judicious with dependencies and efficient with resource usageBasic 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. Your Amazon package will include sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon also offers comprehensive benefits including health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and option for Supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, Adoption and Surrogacy Reimbursement coverage), 401(k) matching, paid time off, and parental leave. Learn more about our benefits at .USA, NY, New York - 158,100.00 - 213,800.00 USD annually