Software Development Engineer, Prime Science

Amazon Primes Science organization leads the Research & Development towards innovation for Amazon Prime. Amazon Prime is the backbone of Amazons consumer business and aspires to be the worlds most engaging satisfying and loved membership program driving growth and profitability. The program serves over 200 million members across 25 countries and is key to Amazons customer growth and engagement. Prime Science innovates in Artificial Intelligence (inc. Gen AI) and Economics to develop algorithms and systems for automated marketing personalization targeting and decisioning. Within the engineering group in Prime Science we develop world class solutions to complex scientific and engineering problems at Amazon scale. You will work alongside world class scientists to build a suite of fully automated scalable and robust products driven by the engineering systems you build.

As an experienced engineer you will collaborate with economists applied scientists and developers across the company to develop test and deploy services that implement a wide range of econometric and AI models. This requires the use of sophisticated distributed systems application of advanced statistical techniques and the processing of big data. A successful candidate will have a passion for innovation interest in advancing technology and excitement about working with AI in a high-impact business domain.



Key job responsibilities
- Design and build science products that scale to 100s of millions of customers
- Work alongside a multi-disciplinary team to deliver with high quality on hard science problems
- Interface with internal customers to build science products that solve their needs
- Grow more junior engineers and be force multiplier
- Identify operational challenges early in the system and drive operational excellence
- Contribute to and lead the improvements in development processes



A day in the life
You will work to build out scalable AI/ML foundations for the WW Prime team scaling science across key Prime marketing activities worldwide. You will develop highly available micro services that power real-time decisions for hundreds of millions of Prime customers our UDS (Unified Decisioning Service) is a tier-1 service handling peak traffic during Prime Day and holiday events with single-digit millisecond latency requirements.

You will build scalable offline systems for large-scale AI/ML training and inference workflows including model scoring pipelines that process billions of customer-decisions pairs daily.

You will work with AWS technologies on a daily basis including Bedrock SageMaker EMR Glue Step Functions DynamoDB ECS/Fargate and CloudWatch. Youll collaborate closely with applied scientists to productionize ML models and with partner teams across Acquisition Retention Onboarding Benefits and Prime CX to deliver customer-facing experiences at Amazon scale.

About the team
The Prime Science engineering team under the Prime Science organization is working to working to deliver science products that impact 100s of millions customers world wide. We advance the state of the art on science systems to unlock a delightful customer experience. This is a unique opportunity to work in a start up like mode in Amazon on new science.


- 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 language

- 3 years of full software development life cycle including coding standards code reviews source control management build processes testing and operations experience
- Bachelors degree in computer science or equivalent
- 2 years of building large-scale machine-learning infrastructure for online recommendation ads ranking personalization or search experience
- Experience in machine learning data mining information retrieval statistics or natural language processing
- Experience contributing to the architecture and design (architecture design patterns reliability and scaling) of new and current systems

Amazon 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 youre applying in isnt 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 WA Seattle - 143700.00 - 194400.00 USD annually