Senior Software Development Engineer, Amazon Personalization Customer 360

Were looking for a technical leader to help architect a system that has never existed before one that gives AI persistent compounding memory at organizational scale. This is not an incremental improvement to an existing service. Its a new foundational capability that will fundamentally change how work gets done. Youll be one of the founding engineers on this team. The architecture decisions you make in the next six months will define the system for years.

Key job responsibilities
As a Senior Software Development Engineer you will own the technical architecture for core system components and lead the team through novel engineering challenges at the intersection of distributed systems knowledge retrieval and AI. Youll partner directly with Applied Scientists and leadership to translate research into production. Specific responsibilities include:

1. Own the end-to-end architecture for knowledge extraction real-time retrieval and cross-domain reconciliation systems.
2. Lead design and implementation of distributed systems handling millions of events per day with sub-second retrieval latency.
3. Make foundational choices about storage indexing and retrieval that will scale from day-one prototype to company-wide production.
4. Define technical standards code review practices and engineering culture for a team thats forming now.
5. Partner directly with Applied Scientists to translate research breakthroughs into production-grade systems.
6. Drive technical strategy with senior leadership visibility your decisions shape the product roadmap.
7. Design systems that handle temporal decay conflicting knowledge sources and privacy-preserving retrieval at scale.
8. Mentor junior engineers and establish the patterns that the rest of the team will build on.

About the team
Were a new team within Amazons Personalization organization which built the recommendation systems that serve hundreds of millions of customers. Were applying that same depth of expertise to a fundamentally new domain one where the customer is every builder at Amazon and the product is an AI that compounds its value with every interaction.

The team is small the problems are hard and the autonomy is real. We value builders who invent patterns rather than follow playbooks and who are energized by owning the full stack from research prototype to production system.

- 5 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 as a mentor tech lead or leading an engineering team

- 5 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

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 - 168100.00 - 227400.00 USD annually