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, Fine-tuning, LLM, Machine Learning, Matplotlib, Plotly, PyTorch, Python, R, Reinforcement Learning, SAFe, Scala, Spark, TensorFlow, TestNG, WCAG, scikit-learn About the job Qualifications: •Proven expertise in data science, including predictive analytics, machine learning algorithms, statistical modeling, and hypothesis testing. •Strong programming skills in Python and experience with data visualization tools such as Matplotlib, Plotly, Tableau, or Power BI. •Hands-on experience designing, training, and deploying machine learning models, with a focus on transformer-based architectures and large language models. •Experience optimizing large-scale training pipelines, including hyperparameter tuning and implementing high-throughput workflows using frameworks such as PyTorch. •Experience applying reinforcement learning methods (e.g., RLHF) for preference optimization, model alignment, and safety-focused applications. •Demonstrated ability to translate complex business requirements into analytical models and actionable business insights. •Excellent verbal and written communication skills, with the ability to present technical findings effectively to both technical and non-technical stakeholders. •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 One. •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 : 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!