✦ Luna Orbit — Data & Analytics

(USA) Staff, Data Scientist

at Walmart

📍 2 Locations Unknown 💰 $143K – $286K USD / year Posted March 13, 2026
Salary $143K – $286K USD / year
Type Not Specified
Experience mid
Exp. Years 7+ years
Education Master's degree or PhD in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field
Category Data & Analytics

This role involves developing and deploying advanced generative AI systems, focusing on large language models, model optimization, and integrating AI into retail and e-commerce solutions.

  • Build large-scale GenAI systems
  • Optimize AI models for deployment
  • Collaborate with cross-functional teams
  • Implement RAG and AI frameworks
  • Leverage cloud platforms for scalable AI solutions

The technical scope includes AI/ML frameworks, cloud platforms (AWS, GCP, Azure), large language models, model fine-tuning, and data engineering tools like Spark.

The ideal candidate is a highly skilled data scientist or AI engineer with 7+ years of experience in large language models, GenAI, and data engineering. They should have a strong background in model optimization, cloud deployment, and advanced AI frameworks, with a focus on building scalable AI systems.

AI/MLLarge Language Models (LLMs)GenAIModel OptimizationCloud DeploymentData ScienceData Engineering
SparkTraining Machine Learning ModelsGoogle Cloud PlatformMicrosoft AzureGPU Deep LearningBig Data Processing
AWSGoogle Cloud PlatformMicrosoft AzureLang ChainLanggraphGPUSpark
Large Language ModelsGenAIAI/MLData ScienceData EngineeringSparkModel OptimizationQuantizationPruningLoRAPEFTRAGLang ChainLanggraphGPTLlamaMistralClaudeGeminiAWSGoogle CloudMicrosoft Azure
Large Language Models (LLMs)GenAIAI/MLData ScienceData EngineeringSparkCloud PlatformsModel OptimizationQuantizationPruningDistillationLow-Rank Adaptation (LoRA)Parameter-Efficient Fine-Tuning (PEFT)Retrieval-Augmented Generation (RAG)Lang ChainLanggraphGPTLlamaMistralClaudeGeminiAWS Sonnet
Problem-solvingCollaborationCommunicationTeamworkAnalytical Thinking
Industry Retail / E-commerce / Financial Technology
Job Function Develop and deploy advanced AI and GenAI systems for enterprise applications
Large Language ModelsLLMsGenAIAI/MLData ScienceData EngineeringSparkModel OptimizationQuantizationPruningDistillationLoRAPEFTRetrieval-Augmented GenerationRAGLang ChainLanggraphGPTLlamaMistralClaudeGeminiAWSGoogle Cloud PlatformMicrosoft AzureCloud Platforms

Lack of experience with LLMs or GenAI, Less than 5 years in AI/ML, No experience with cloud platforms, No background in data science or data engineering

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