Principal, Software Engineer - AI Evangelist

Position: (USA) Principal, Software Engineer - AI Evangelist
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...

As part of Walmart GTP, you will be building highly scalable and reliable APIs, services and applications which will drive the next generation run time platforms. 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'll do:

1. AI Model Development ;
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.

2. 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 technical leadership, making design tradeoffs to balance long-term scalability with short-term execution needs

3. Collaboration ;
Product Integration:

* Partner with teams to integrate AI into platforms.

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

4. Leadership ;
Mentorship:

* Drive technical direction for large-scale AI initiatives and mentor other engineers.

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

* Act as a mentor, fostering technical growth within the team and contributing to a culture of continuous learning and innovation.

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, Tensor Flow), 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. Were 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…