Senior, Data Scientist

Walmart • Bentonville, AR

18d • $90,000 - $180,000 • Onsite

About The Position

The Decision Sciences team provides comprehensive analytical solutions, empowering our business customers to make data-driven decisions in areas such as Supply Chain, Store Operation, Last Mile Delivery, and Innovation & Transformation. We offer measurable value to all stakeholders by delivering accurate and actionable insights that stimulate growth, enhance efficiency, and guide strategic planning. We are dedicated to staying at the cutting edge of data & technology, constantly offering innovative solutions that enhance the experience for both associates and customers. We are looking for a Senior Data Scientist to join Decision Sciences team. As a Senior Data Scientist, you will be responsible for modeling complex business problems and discovering insights through machine learning, statistical modeling, simulation, and optimization that empower our customers across Walmart to make data-driven decisions. You will drive data science partnership across US, Costa Rica, and India locations. You will be tasked to set goals, create a strategy, and closely collaborate with Data Analytics, Data Engineering, Data Governance teams and business stakeholders to deliver best-in-class analytical tools and solutions.

Requirements

• 3+ years of experience applying advanced analytics, forecasting, machine learning, or statistical modeling techniques to solve complex business problems.
• Demonstrated expertise in developing advanced data science models and leading data-driven projects from conception to implementation, driving and influencing project roadmaps.
• Strong ability to translate business problems into causal frameworks and estimate impact
• Demonstrated experience developing and deploying forecasting or predictive models using statistical and machine learning methodologies.
• Proficient coding in one or more languages: Java, C++, Python, Spark, Scala, or R
• Strong proficiency in SQL for data manipulation and querying.
• Proficient with data warehouse like BigQuery and cloud platforms (GCP, Azure).
• Strong analytical and problem-solving skills with the ability to frame ambiguous business problems into scalable analytical solutions.
• Experience leveraging data visualization and storytelling techniques to communicate insights and influence decision-making.
• Experience in MLOps and deploying/managing machine learning models.
• Exceptional analytical and problem-solving skills, with the ability to think strategically and innovatively.
• Excellent verbal and written communication skills, with the ability to present complex technical concepts to diverse audiences.
• Experience collaborating effectively with cross-functional teams and business stakeholders.
• Experience mentoring junior operations research or machine learning scientists.
• Bachelor’s degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, or related field and 3 years' experience in an analytics related field.
• Master’s degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, or related field and 1 years' experience in an analytics related field.
• 5 years' experience in an analytics or related field.

Nice To Haves

• Data science, machine learning, optimization models
• Master’s degree in Machine Learning, Computer Science, Information Technology, Operations Research, Statistics, Applied Mathematics, Econometrics
• Successful completion of one or more assessments in Python, Spark, Scala, or R
• Using open source frameworks (for example, scikit learn, tensorflow, torch)
• Creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly.
• Knowledge of accessibility best practices and join us as we continue to create accessible products and services following Walmart’s accessibility standards and guidelines for supporting an inclusive culture.

Responsibilities

• Develop and implement forecasting models using statistical modeling, machine learning, and time-series techniques to support operational and strategic decision-making across Supply Chain networks.
• Engineer meaningful and explainable features using business understanding and domain knowledge to improve forecasting accuracy, model performance, and scalability.
• Extract, preprocess, clean, and validate large-scale structured and unstructured datasets from multiple internal and external data sources using SQL, Python, Spark, and cloud-based technologies.
• Design, evaluate, and monitor model performance using statistical validation techniques, back-testing methodologies, and experimentation frameworks to ensure reliability and business impact.
• Deploying and maintaining machine learning models in production environments, ensuring reliability and scalability.
• Working closely with data scientists, data engineers, software engineers, product, and business stakeholders to understand requirements and translate them into technical solutions.
• Engaging in effective communication with business stakeholders regarding model insights and the strategic importance of advanced analytics.
• Support and mentor junior associates by providing guidance on analytical approaches, problem-solving techniques, and storytelling best practices.

Benefits

• competitive pay
• performance-based bonus awards
• medical coverage
• vision coverage
• dental coverage
• 401(k)
• stock purchase
• company-paid life insurance
• PTO (including sick leave)
• parental leave
• family care leave
• bereavement
• jury duty
• voting
• short-term disability
• long-term disability
• company discounts
• Military Leave Pay
• adoption and surrogacy expense reimbursement
• PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes
• 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior