Position Summary
Immigration sponsorship is not available in this role.
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, Agentic AI, LLMs, 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.
What you'll do
- 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.
- 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 technical leadership, making design tradeoffs to balance long-term scalability with short-term execution needs.
- Partner with teams to integrate AI into platforms and work cross-functionally to design solutions addressing functional and non-functional requirements.
- Drive technical direction for large-scale AI initiatives and mentor other engineers; establish best practices for building and maintaining AI-driven systems.
What you'll bring
- Overall 5+ years of experience in machine learning / software engineering, with 2+ years in Generative AI or LLMs.
- Strong experience with RAG frameworks, vector search technologies and knowledge grounding techniques.
- Expertise in Python, ML frameworks (PyTorch, TensorFlow), and libraries like Hugging Face Transformers.
- Proficiency in distributed computing, cloud platforms (GCP, Azure), and scalable architectures.
- Familiarity with disaster recovery principles and building resilient, fault-tolerant systems.
- Experience with multi-modal models (text, image, video) and advanced optimization techniques (e.g., quantization, distillation).
- Experience with Generative AI models (e.g., GPT, Gemini) and their fine-tuning.
- Contributions to open-source projects or publications in Generative AI, RAG, or agentic frameworks.
- Strong understanding of system design, non-functional requirements, and design patterns.
About Walmart Global Tech
Imagine working in an environment where one line of code can make life easier for hundreds of millions of people. That's what we do at Walmart Global Tech. We're a team of software engineers, data scientists, cybersecurity experts and service professionals within the world's leading retailer who make an epic impact and are at the forefront of the next retail disruption.
People are why we innovate, and people power our innovations. We are people-led and tech-empowered. We train our team in the skillsets of the future and bring in experts like you to help us grow. We have roles for those chasing their first opportunity as well as those looking for the opportunity that will define their career. Here, you can kickstart a great career in tech, gain new skills and experience for virtually every industry, or leverage your expertise to innovate at scale, impact millions and reimagine the future of retail.
Equal Opportunity Employer:
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 unique styles, experiences, identities, ideas and opinions while being welcoming of all people.
The above information has been designed to indicate the general nature and level of work performed in the role. It is not designed to contain or be interpreted as a comprehensive inventory of all responsibilities and qualifications required of employees assigned to this job. The full Job Description can be made available as part of the hiring process.
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.
Primary Location
1345 Crossman Ave, Sunnyvale, CA , United States of America
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