Senior, Data Scientist

About our Team:As part of the larger People Analytics team, the Research & Analytics team is composed of statisticians, I/O psychologists, data analysts and data scientists who are focused on providing actionable insights and develop AI models to improve the experience of Walmart’s associates.At Walmart, we are seeking a talented and experienced Data Scientist to join our team. As a Senior Data Scientist, you will play a crucial role in our People Analytics department, utilizing your expertise in building causal inference machine learning models to drive data-driven decision-making.Responsibilities:and implement advanced statistical models and machine learning algorithms to analyze large datasets and extract valuable insights.with cross-functional teams and Center of Excellence (COE) partners across our Global People function to identify business problems and develop analytical plans to address them.rigorous statistical analysis and hypothesis testing to uncover patterns and trends in data.Bayesian inference techniques to enhance the accuracy and reliability of predictive models.your strong problem-solving skills to scope problems and identify quick wins for our customers.programs and quantify the return on investment (ROI) to drive data-driven decision-making.primarily with the Global People centers of excellence and support our People partners in the business.Requirements:or Master's degree in Data Science, Statistics, Computer Science, or a related field.of 3 years of experience as a Data Scientist, such as in retail or e-commerce.proficiency in building and productionizing and maintaining causal inference machine learning models.with Bayesian inference is a strong plus.using Directed Acyclic Graphs (DAGs) for causal modeling to avoid common pitfalls in causal inference, such as confounding variables and reverse causality.in programming languages such as Python or R.with SQL and handling very large datasetswith data visualization tools such as Tableau or Power BI.problem-solving and analytical skills.communication and interpersonal skills.Analytics experience a plus but not requiredCulture at Walmart:At Walmart, we value diversity, inclusion, and collaboration. We foster an environment that encourages innovation and continuous learning. Our team members are passionate about making a positive impact on the lives of our customers and communities. We believe in empowering our employees and providing them with opportunities for growth and development.

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