Sr. Software Development Engineer, Amazon Shopping (Rufus)

ID: 6700

Type: Full-time

Category: Others

Company Name: Amazon.com Services LLC

Location: USA, WA, Seattle; USA, CA, Palo Alto - Seattle - United States

Salary: 193,300.00 - 261,500.00 USD annually

Job Description

We're enhancing the shopping experience on Amazon through the conversational capabilities of large language models, and we're looking for innovative professionals who are passionate about technology and customer experience. You'll have the opportunity to contribute meaningfully to the industry while working alongside talented scientists, engineers, and technical program managers (TPMs) to create solutions that serve our customers.
If you're excited about collaborating with a dynamic team and contributing to this evolving field, we'd love to have you join us on this journey!

Key job responsibilities
We're looking for an experienced Software Development Engineer with expertise in back-end system and online service to architect, design, and develop agentic services and applications powered by large language model.
In this role, you will build expertise in online service architecture, API development, and distributed systems that power responsive agentic AI applications at scale. You'll get opportunities to develop service orchestration patterns, efficient agent frameworks, and real-time processing systems, partnering with engineers and scientists in a fast-paced environment to deliver exceptional user experiences. You'll also contribute to our technical roadmap, service reliability metrics, and optimizations focused on building intelligent agents that can effectively reason, plan, and execute complex tasks on behalf of users.
In this role, you'll help establish best practices that improve LLM application efficiency, enable new agentic AI features for Stores customers with LLM capabilities. You'll work with your team to design, implement large scale distributed agentic AI applications at scale, partnering with technical and business leaders in a collaborative environment to create value for our customers. You'll also contribute to prioritization, estimation, and sprint planning activities.

About the team
The charter of the Amazon Shopping Team is to improve shopping on Amazon using the conversational capabilities of large language models. We are working on an AI-first initiative to further improve the way we do search using large-scale foundation models. These foundation models are also used in downstream applications by various partner teams in Amazon Stores. Our goal is to build large language models (LLMs), which can empower conversational applications and facilitate online shopping.

Basic Qualifications

- 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
- Knowledge of Machine Learning and LLM fundamentals, including transformer architecture, training/inference lifecycles, and optimization techniques

Preferred Qualifications

- 5+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience
- Experience building or operating LLM-powered agent systems (tool use, ReAct loops, multi-step orchestration)
- Experience with agent evaluation frameworks – offline evaluation, LLM-as-Judge, composite scoring, or quality measurement at scale.
- Experience hosting or serving large language models at scale (model deployment, inference optimization, GPU cluster management, vLLM/TensorRT)

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 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, CA, Palo Alto - 193,300.00 - 261,500.00 USD annually
USA, WA, Seattle - 168,100.00 - 227,400.00 USD annually

Company Information

Company Name: Amazon.com Services LLC

Company Website: https://www.amazon.com

Company Address: 410 Terry Ave N, Seattle, WA 98109, United States

Amazon.com Services LLC is an operating company in the Amazon corporate family that supports and delivers a broad set of technology-enabled retail and marketplace services. As part of the larger Amazon organization, it participates in the operation and management of Amazon’s online retail marketplace, third‑party seller programs, fulfillment and logistics solutions, and related customer-facing services. The company’s activities are oriented around applying software, systems engineering and logistical infrastructure to enable large-scale e-commerce, digital distribution and platform services for consumers and businesses. Overview and scope Amazon.com Services LLC functions as one of the entities through which Amazon delivers commerce and seller-related services. In practice, that includes enabling Amazon’s marketplace for third‑party sellers, operating fulfillment programs (including Fulfillment by Amazon—FBA), and supporting the web and mobile retail experiences that customers use to discover, buy and receive products. The company leverages Amazon’s broader investments in distributed computing, data analytics, inventory systems and automated fulfillment to provide both consumer-facing retail and business-to-business seller services. Core business activities The core activities associated with Amazon.com Services LLC revolve around online retail operations and the technology and logistics that underpin them. Key activities include: operating the Amazon.com consumer marketplace and associated storefronts; managing programs that onboard, list and transact for third‑party sellers; providing fulfillment, warehousing and shipping services for inventory enrolled in Amazon’s logistics networks; powering payments and order processing systems; and supporting customer service operations related to retail transactions. These activities are tightly integrated with Amazon’s global logistics network, delivery services, and software platforms that enable inventory management, pricing, content management and search/recommendation systems. Main products and services While Amazon.com Services LLC is one of several operating companies in the Amazon group, the practical products and services associated with its operations include marketplace hosting for third‑party sellers (seller accounts, tools and dashboards), fulfillment and warehousing services (including FBA), order processing and returns management, customer service support for retail transactions, and technology platforms that expose APIs and seller tools for listing, pricing and inventory control. These services enable merchants to sell through Amazon’s digital storefronts and to use Amazon’s fulfillment infrastructure for storage, packing and shipping. Relationship to broader Amazon offerings The operational scope of Amazon.com Services LLC overlaps and integrates with other Amazon businesses and technology platforms. For example, Amazon Web Services (AWS) provides the cloud infrastructure and many platform services that power Amazon’s retail site and seller services, while Amazon’s consumer-facing subscription services such as Amazon Prime (which bundles fast shipping, streaming and other benefits) influence demand and fulfillment priorities. Additionally, Amazon’s devices (Kindle, Echo/Alexa, Fire TV) and digital content offerings (Prime Video, Amazon Music, Audible) form adjacent product lines that operate within the same corporate ecosystem, increasing cross‑channel customer engagement with the retail marketplace. Technology and innovation focus Amazon.com Services LLC operates in an environment driven by software, systems engineering and logistics innovation. Amazon’s public communications emphasize technology investments in automation, robotics, machine learning, search and recommendation algorithms, and large-scale distributed systems to improve selection, convenience and price. The company’s approach to improving customer experience and seller services is built on continuous iteration in software, data science and operational research, as well as deployment of warehouse automation and transportation optimization technologies. Customers and users End customers are the millions of consumers who shop on Amazon’s retail websites and use related mobile apps. Another primary customer segment is the millions of third‑party sellers and professional merchants who use Amazon’s marketplace and seller services to reach consumers globally. Businesses and developers that integrate with Amazon’s seller APIs, fulfillment services, and advertising platforms also rely on the services and systems that Amazon.com Services LLC helps deliver. Official mission and corporate context Amazon’s public materials state a mission and guiding principle focused on customer centricity—commonly expressed by the company as striving “to be Earth’s most customer‑centric company.” That mission underpins the retail and marketplace operations and is reflected in investments in selection, convenience and low prices. Amazon operates across multiple industries including e-commerce, cloud computing, digital streaming, consumer electronics and logistics; Amazon.com Services LLC is a part of that broader corporate structure and concentrates on the commerce and seller-facing components of the business. Regulatory and corporate form Amazon.com Services LLC is a limited liability company within the Amazon corporate structure; like other operating subsidiaries, it is used to carry out specific aspects of Amazon’s commercial activities. Public filings and corporate disclosures identify multiple Amazon subsidiaries that collectively operate global retail, subscription, cloud and device businesses. Amazon’s public investor relations and corporate governance materials describe Amazon as a technology company with e-commerce and cloud computing core competencies, and Amazon.com Services LLC functions within that legal and operational framework. Summary In summary, Amazon.com Services LLC is a technology-enabled operating company in the Amazon family that provides and supports the marketplace, seller services, fulfillment and related retail operations that allow consumers to buy products and third‑party sellers to reach customers through Amazon’s digital storefronts. Its work is characterized by large-scale software systems, fulfillment and logistics networks, and continual investment in automation and data-driven tools to improve customer and seller experiences. The company’s activities align with Amazon’s stated customer-centric mission and the broader corporate focus on leveraging technology to scale commerce and distribution globally.

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