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Walmart Principal Software Engineer - Gen AI 
United States, California, Sunnyvale 
887356576

Yesterday

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.​

3. Collaboration & Product Integration:

  • Partner with product teams to integrate AI into customer-facing applications.
  • 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 junior engineers.
  • Establish best practices for building and maintaining AI-driven systems.

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 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.



Benefits: Beyond our great compensation package, you can receive incentive awards for your performance. Other great perks include 401(k) match, stock purchase plan, paid maternity and parental leave, PTO, multiple health plans, and much more.

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.

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.

For information about PTO, see

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.

For information about benefits and eligibility, see

The annual salary range for this position is $143,000.00-$286,000.00 Additional compensation includes annual or quarterly performance bonuses. Additional compensation for certain positions may also include: - Stock 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 and5 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.

680 West California Avenue, Sunnyvale, CA 94086-4834, United States of America