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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 **Principal, Software Engineer** with deep expertise in **Generative AI** , **LLMs** , **Agentic** and **RAG** **frameworks** to lead the design, development, and deployment of advanced AI systems. This role involves architecting scalable solutions, integrating agentic frameworks, and mentoring engineering teams to push the boundaries of AI-driven innovation.

Principal Software Engineer

In this role you will work closely with Engineering teams, Architects, Product group to provide highly recommended Developer Experience and Gen AI solutions to make developer delightful!!

As part of Walmart Global Technology Platform team, you will be building highly scalable and reliable solutions which will drive the next generation AI system. You'll independently handle high impact, critical software/systems monitoring issues, troubleshoot business and production issues. As a member of this fast-moving and highly entrepreneurial team, you'll be able to say that you work for the world’s largest retailer and contribute to innovation and development to best-in-class methodologies that impacted perception and drastically changed business as we know it.

What you will do...

+ **Agentic Frameworks:**

+ Design, fine-tune, and deploy Generative AI models with a focus on RAG frameworks to enhance information retrieval and generation.

+ Develop and optimize LLM-based agents for tasks like knowledge grounding, multi-step reasoning, and decision-making.

+ Integrate external data sources (e.g., vector databases) with LLMs to build dynamic, context-aware systems.

+ **Architecture; Scalability:**

+ Architect scalable, distributed AI systems with a focus on performance, fault tolerance, and disaster recovery.

+ Develop detailed design specifications, including modular, extensible, and functional components

+ Build MVPs to validate requirements and refine designs iteratively.

+ Provide deeper Insights on Containerization/Docker (and) experience in CI/CD and deployment pipelines

+ **Collaboration; Product Integration:**

+ Work cross-functionally to design solutions that address both functional and non-functional requirements.

+ Establish best practices for building and maintaining AI-driven systems.

+ Drive technical direction for large-scale AI initiatives and mentor junior engineers.

+ Hands on engineer who can build tech stack ground up and deploy scalable solution

What you'll bring...

+ Overall 12+ years of experience in machine learning / software engineering, with 2+ years in Generative AI or LLMs

+ Strong experience with Agentic Frameworks, RAG frameworks, vector search technologies and knowledge grounding techniques.

+ Expertise in Python, ML frameworks (PyTorch, TensorFlow), and libraries like Hugging Face Transformers.

+ Clear Communication, including the ability to build design gaps

+ Ability to multitask between several different requirements and features concurrently

+ Proficiency in distributed computing, cloud platforms (GCP, Azure), and scalable architectures

+ Deep knowledge of open-source projects or publications in Generative AI, RAG, or agentic frameworks.

+ Ability to perform in a team environment and have a true passion about Technology. It’s a must!

+ Nice to have Backend experience either Java or Node JS or Python / Golang

Preferred Qualifications:

+ Experience in Gen AI – Agentic Frameworks, RAG Frameworks

+ Cloud architecture and deployments: Kubernetes, Docker, micro-services architectures (REST)

At Walmart, we offer competitive pay as well as performance-based bonus awards and other great benefits for a happier mind, body, and wallet. Health benefits include medical, vision and dental coverage. Financial benefits include 401(k), stock purchase and company-paid life insurance. Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty, and voting. Other benefits include short-term and long-term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more.

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You will also receive PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes. The amount you receive depends on your job classification and length of employment. It will meet or exceed the requirements of paid sick leave laws, where applicable.

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For information about PTO, see https://one.walmart.com/notices .

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Live Better U is a Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities. Programs range from high school completion to bachelor's degrees, including English Language Learning and short-form certificates. Tuition, books, and fees are completely paid for by Walmart.

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Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to a specific plan or program terms.

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For information about benefits and eligibility, see One.Walmart (https://bit.ly/3iOOb1J) .

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The annual salary range for this position is $143,000.00-$286,000.00

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Additional compensation includes annual or quarterly performance bonuses.

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Additional compensation for certain positions may also include:

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- Stock

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Minimum Qualifications...

_Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications._

Option 1: Bachelor's degree in computer science, computer engineering, computer information systems, software engineering, or related area and 5 years’ experience in software engineering or related area.

Option 2: 7 years’ experience in software engineering or related area.

Preferred Qualifications...

_Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications._

Master’s degree in computer science, computer engineering, computer information systems, software engineering, or related area and 3 years' experience in software engineering or related area., We value candidates with a background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly. The ideal candidate would have knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart’s accessibility standards and guidelines for supporting an inclusive culture.

Primary Location...

1345 Crossman Ave, Sunnyvale, CA 94089-1114, United States of America

Walmart and its subsidiaries are committed to maintaining a drug-free workplace and has a no tolerance policy regarding the use of illegal drugs and alcohol on the job. This policy applies to all employees and aims to create a safe and productive work environment.

Walmart, Inc. is an Equal Opportunity Employer- By Choice. We believe we are best equipped to help our associates, customers, and the communities we serve live better when we really know them. That means understanding, respecting, and valuing diversity- unique styles, experiences, identities, abilities, ideas and opinions- while being inclusive of all people.