Hiring: (USA) Staff, Data Scientist Company: Walmart Location: Sunnyvale, CA Job Posted Time: 2026-09-09 22:39:36 Employment Type: Full-time Target Skills & Keywords : Accessibility, LLM, MLOps, Machine Learning, Python, R, SAFe, Scala, Spark, TensorFlow, Transformers, WCAG, scikit-learn About the job Required Skills: •Lead architecture and technical direction for Search and Personalization machine learning systems. •Design scalable retrieval, ranking, recommendation, and personalization algorithms. •Drive adoption of Generative AI, Large Language Models, embeddings, and semantic search capabilities. •Lead cross-functional initiatives involving Product, Engineering, Platform, and Data Science teams. •Establish experimentation frameworks and best practices for model development and evaluation. •Mentor senior scientists and review technical designs across multiple initiatives. •Influence long-term AI strategy and technology investments. •Drive measurable improvements in customer engagement, search relevance, and business metrics. Qualifications: •Extensive experience building production AI/ML systems at scale. •Deep expertise in Search, Information Retrieval, Recommendation Systems, Personalization, or Ranking. •Practical experience utilizing transformer models, embeddings, vector search, LLMs, or Generative AI applications. •In-depth knowledge of ML system architecture, MLOps, and distributed model deployment. •Expertise in experimentation, causal inference, and performance evaluation. •Excellent technical leadership and stakeholder management skills. •Proven ability to influence architecture and mentor technical teams across organizations. •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 https://one.walmart.com/notices. •Live Better U is a Walmart-paid education benefit program for full-time and part-time associates in Walmart and Sam's Club facilities. Programs range from high school completion to bachelor's degrees, including English Language Learning and short-form certificates. Tuition, books, and fees are completely paid for by Walmart. Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!