Senior, Software Engineer - Gen AI (Evergreen) at Walmart

Sunnyvale, California, United States

Walmart Logo
Not SpecifiedCompensation
Senior (5 to 8 years)Experience Level
Full TimeJob Type
UnknownVisa
Retail, TechnologyIndustries

Requirements

  • 6+ years of experience in machine learning engineering, with 2+ years focus on Generative AI and NLP
  • Proficiency in Python, ML frameworks (PyTorch, TensorFlow), and NLP libraries like Hugging Face Transformers
  • Hands-on experience with RAG frameworks, vector search tools, and knowledge grounding techniques
  • Familiarity with distributed systems, scalable architectures, and cloud platforms (GCP, Azure)
  • Strong understanding of software design patterns, disaster recovery strategies, and non-functional requirements

Responsibilities

  • Design and implement Generative AI solutions utilizing RAG for summarization and knowledge retrieval
  • Build and integrate LLM-based agents that utilize vector search technologies to provide dynamic, real-time responses
  • Fine-tune and optimize models for specific business needs and tasks
  • Contribute to building scalable, distributed systems that integrate machine learning pipelines
  • Translate high-level designs into detailed solutions, including mock-ups, pseudo-code, and modular components
  • Design and implement MVPs to validate and refine AI-driven features
  • Support architectural decisions to ensure alignment with both functional and non-functional requirements
  • Participate in code reviews and ensure adherence to best practices
  • Drive technical direction for large-scale AI initiatives and mentor junior engineers
  • Establish best practices for building and maintaining AI-driven systems

Skills

Generative AI
Large Language Models
LLMs
Retrieval-Augmented Generation
RAG
Agentic Frameworks
Vector Search
Machine Learning Pipelines
Model Fine-tuning
Distributed Systems
Scalable Systems

Walmart

Global retail chain offering affordable products

About Walmart

Walmart operates a chain of hypermarkets, discount department stores, and grocery stores, providing a wide variety of products at low prices to everyday consumers, families, and communities. The company combines physical retail locations with an e-commerce platform, allowing customers to shop for groceries, apparel, electronics, and household items both in-store and online. Walmart's efficient supply chain management and large-scale purchasing enable it to maintain affordability, setting it apart from competitors. The company also offers financial services and health and wellness services, including pharmacies and vision centers. Walmart's goal is to save people money and support communities, as demonstrated by its efforts during the COVID-19 pandemic and its commitment to social responsibility, including programs for veterans and military families.

Bentonville, ArkansasHeadquarters
1962Year Founded
$5,515MTotal Funding
IPOCompany Stage
Financial Services, Consumer GoodsIndustries
10,001+Employees

Benefits

PTO: Paid vacation, sick time, personal time and holiday time
10% discount on regularly priced general merchandise and fresh fruits and vegetables
6% 401(k) match to all employees, including hourly workers, after one year
Roth IRA available
Associate Stock Purchase Plan
maximum and eligible preventive care covered at 100%
Health reimbursement plans

Risks

Rising U.S. labor costs could pressure profit margins.
Amazon's grocery delivery expansion threatens Walmart's market share.
Fintech investments expose Walmart to financial regulatory risks.

Differentiation

Walmart's omnichannel strategy integrates physical and online retail seamlessly.
The company offers a wide range of products at consistently low prices.
Walmart's commitment to community support enhances its brand reputation.

Upsides

Walmart's investment in fintech expands its financial services offerings.
Robotics integration in distribution centers boosts operational efficiency.
Culturally themed product lines attract diverse customer segments.

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