Senior Software Development Engineer, Amazon Ads

Description

Application deadline : Dec 17, 2025

The Cinder team in Amazon Ads operates at high scale, with high expectations. We own the core bidding systems that deliver ads to Amazon's owned and operated properties and external publishers, focused on scalability, extensibility, and privacy and balancing the needs of advertisers, publishers and consumers. Our real-time systems service hundreds of billions of ad requests daily, with response latencies measured in milliseconds. Our off-line systems process millions of configuration changes daily that our customers expect to see live in minutes.

The Amazon Ads business is an exciting fast-paced environment, and our team is no exception. The service and solutions we produce are used by dozens of internal business teams, as well as Amazon customers : publishers, broadcasters, and advertisers. As we scale, there are continually opportunities to refine and improve our systems. Every contributor on the team has a chance to have a material impact on our business.

Key job responsibilities

As a senior Software Development Engineer for Cinder, you will (a) partner with teams across the organization worldwide to build robust scalable extensible solutions to realize their goals, (b) drive the design, development, and continuous improvement of our ad-serving systems via your own contribution and experimentation and the leadership of others, and (c) invent and deliver initiatives to simplify our systems, reduce the unit cost to serve, and improve reliability.

The ideal candidate will have a proven track record of delivering results on an ad exchange at scale, be detail-oriented, data-driven, and possess strong analytical and problem-solving skills. You must be able to thrive and succeed in a fast-moving environment with abundant ambiguity and competing priorities. You will be able to understand the goals, priorities, and technical challenges of the Cinder team, and apply them to design decisions, and understand and translate customer needs into technical details. You will anticipate obstacles and make trade-offs, manage escalations, and balance business needs versus technical constraints. You will have excellent written and verbal communication skills, able to operate effectively at different levels, from driving cross-functional collaboration, to working directly with and influencing engineer teams.

Basic Qualifications

6+ 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 with full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations

Experience as a mentor, tech lead or leading an engineering team

Preferred Qualifications

5+ years of programming using a modern programming language such as Java, C++, or C#, including object-oriented design experience

Experience building complex software systems that have been successfully delivered to customers

Experience building high-performance, highly-available, and scalable distributed systems, in a UNIX environment

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.

Los Angeles County applicants : Job duties for this position include : work safely and cooperatively with other employees, supervisors, and staff; adhere to standards of excellence despite stressful conditions; communicate effectively and respectfully with employees, supervisors, and staff to ensure exceptional customer service; and follow all federal, state, and local laws and Company policies. Criminal history may have a direct, adverse, and negative relationship with some of the material job duties of this position. These include the duties and responsibilities listed above, as well as the abilities to adhere to company policies, exercise sound judgment, effectively manage stress and work safely and respectfully with others, exhibit trustworthiness and professionalism, and safeguard business operations and the Company's reputation. Pursuant to the Los Angeles County Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.

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 pay range for this position is listed below. Hourly pay ranges include the base pay rate plus the highest available shift differential which applies depending on the shift you select.

Colorado $168,100 - $227,400 annually / hourly

National $151,300 - $261,500 annually / hourly

For salaried roles, 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 .

For hourly roles, as a total compensation company, you are eligible for additional earnings including overtime pay and performance bonuses. Final pay will be based on factors including shift selection and location. Starting Day 1 of employment, Amazon offers EAP, Mental Health Support, Medical Advice Line, 401(k) matching. Learn more about our benefits at .