SDE-II, Catalog System Services - SPCL
Confirmed on the employer's own hiring board on Nov 13, 2026. First seen by Alion on Nov 12, 2026. Amazon scores B on the Alion truth index.
As a Software Development Engineer II in the SPCL (Selling Partner Close Looping) team, you will design and build innovative solutions that enhance how millions of customers discover and shop for related products across Amazon's global marketplaces. Working with billions of product variation relationships (sizes, colors, styles), you'll leverage cloud computing, machine learning, and Large Language Models to ensure variation data quality and consistency. Your work will directly impact customer shopping experiences, making it easier for them to navigate between product variants and find the right version of a product that meets their needs.
Key job responsibilities
* Design and develop scalable services that measure, validate, and improve variation relationship quality across billions of products
* Implement sophisticated algorithms to ensure consistency in variation theme attributes (size, color, style) across all global marketplaces
* Build innovative GenAI solutions using Large Language Models to automatically evaluate and enhance variation quality
* Create robust feedback mechanisms that enable continuous improvement of variation data
* Develop tooling and APIs that help Selling Partners address product variation quality issues
* Collaborate with cross-functional teams to implement solutions that enhance customer discovery experiences
* Participate in architectural decisions that balance performance, cost, and customer experience
A day in the life
A day in the life
* Write and review high-quality, well-tested code in languages such as Java and Python
* Collaborate with team members on design documents and architectural decisions
* Analyze data to identify variation quality issues and measure improvement impact
* Attend daily stand-ups and participate in sprint planning/retrospective meetings
* Work with product managers to scope and prioritize new features
* Debug and resolve production issues while maintaining service reliability
* Monitor system performance and optimize for scale and efficiency
* Stay current with latest ML/AI technologies and evaluate their potential application
* Mentor junior engineers and provide technical guidance
About the team
The SPCL team sits within Amazon's Catalog Systems division and is responsible for ensuring customers can easily navigate between related product options. We build systems at massive scale, processing billions of product relationships that power shopping experiences across all Amazon marketplaces. Our team maintains a high bar for operational and software engineering excellence while fostering a collaborative and supportive culture. We work closely with data scientists, product managers, and business stakeholders to continually improve the quality of variations in Amazon's catalog, directly enhancing the customer shopping journey.
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
- 1+ years of software development engineer or related occupational experience
- 1+ years of designing and developing large-scale, multi-tiered, multi-threaded, embedded or distributed software applications, tools, systems, and services using: C#, C++, Java, or Perl experience
- 1+ years of Object Oriented Design experience
- Bachelor's degree or foreign equivalent in Computer Science, Engineering, Mathematics, or a related field
- Experience programming with at least one software programming language
Preferred qualifications
- 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 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 https://amazon.jobs/content/en/how-we-hire/accommodations 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 https://amazon.jobs/en/benefits.
USA, WA, Seattle - 143,700.00 - 194,400.00 USD annually