SENIOR, SOFTWARE ENGINEER

Job Description

Position Summary... What you'll do... Walmart Global Tech is at the forefront of AI innovation, leveraging cutting-edge technologies to redefine customer experiences. We are seeking a Senior Software Engineer with deep expertise in Generative AI , LLMs , and scalable system design to drive impactful solutions. Role Summary: We are seeking a Senior Software Engineer to design and deploy AI systems using LLMs , RAG frameworks , and advanced agentic techniques . In this role, you will focus on building scalable pipelines, integrating external data sources, and collaborating with teams to deliver high-impact AI-driven products. This is an Individual Contributor role, where you will Design, Code, Test, Deploy and Maintain Production systems. About Team: Sam's Club is our membership warehouse club, a business model that provides our members with high-quality products at prices that are unrivalled by traditional retail. Sam's Club provides a carefully curated assortment of items, as well as developing and leading technologies and services such as Scan & Go, Club Pickup, and home delivery service in select markets. Sam's Club also provides travel, auto purchasing, pharmacy, optical, hearing aid centres, tire and battery centres, and a portfolio of business operations support services. You will work in a team of talented engineers to build robust, distributed and scalable applications related to Search, Ads and Personalization. What you'll do: The team is improving the Sam's Club eCommerce platform by enhancing search, browse, typeahead, and personalization features to provide a seamless member experience. Key initiatives involve transforming the catalog format, improving ingestion workflows, signal processing, and leveraging advanced machine learning models to detect anomalies and address quality issues. A shared signal framework aims to enable collaboration across teams, such as Search, Ads, and Personalization. A Senior Software Engineer is needed to build backend services using Java, Spring, and/or Python. Responsibilities include collaborating with product, engineering, and business teams to address quality and stability, enhancing issue detection in lower environments, automating manual tasks through scripting, and implementing scalable solutions for Search, Ads, and Personalization. The role involves developing and integrating machine learning models, focusing on the following: AI Development : Implementing Generative AI solutions using RAG for summarization, knowledge retrieval, and building LLM-based agents with vector search for real-time responses. System Design/Scalability : Designing scalable systems with machine learning pipelines, validating AI-driven features through MVPs, and ensuring detailed solutions. Collaboration : Supporting architecture decisions, conducting code reviews, and aligning solutions with functional and non-functional requirements. Leadership : Driving AI initiatives, mentoring junior engineers, and setting best practice

Required Skills