Senior, Data Scientist at Walmart Inc. Bentonville, AR

What you’ll do at

Position Summary...

What you’ll do...

Job Summary:

As a Senior Data Scientist, you will develop, deploy, and optimize data-driven solutions to address Walmart’s operational and strategic needs.

You will work with large-scale datasets, implement machine learning models, and collaborate with cross‑functional teams to deliver robust, scalable, and efficient APIs and data systems.

Key Responsibilities:

• Design, develop, and deploy machine learning models and algorithms to address key business challenges, including supply chain optimization, customer personalization, and operational efficiency.
• Implement scalable data pipelines using PySpark and other big data tools to process and analyze large-scale datasets.
• Build and maintain APIs for deploying machine learning models and integrating with business systems.
• Collaborate with engineering teams to implement CI/CD pipelines, ensuring efficient and reliable deployment.
• Optimize and maintain workflows for data processing and model training, focusing on performance, scalability, and reliability.
• Apply best practices in software development, including code versioning, testing, and documentation.
• Work closely with stakeholders to translate business needs into data‑driven solutions and actionable insights.

Key Qualifications:

• Bachelor’s degree in computer science, Data Science, or a related field; advanced degrees are a plus.
• 4+ years of experience in data science, machine learning, or related fields.
• Proficiency in Python and experience with libraries such as NumPy, Pandas, Scikit‑learn, TensorFlow, or PyTorch.
• Hands‑on experience with big data tools and frameworks, including PySpark.
• Proven track record of building and maintaining APIs for machine learning or data‑driven applications.
• Knowledge of CI/CD pipelines and experience implementing automated workflows for model deployment.
• Strong understanding of data pipelines, ETL processes, and scalable data handling techniques.
• Excellent communication skills and a collaborative mindset.

Preferred Skills:

• Experience with optimization, operations research, computer vision, and recommender systems.
• Familiarity with distributed systems and parallel computing for performance optimization.
• Background in applying statistical methods to real‑world business problems.

Benefits:

• Competitive pay and performance‑based bonus awards.
• Health benefits: medical, vision and dental coverage.
• Financial benefits: 401(k), stock purchase plan, and company‑paid life insurance.
• Paid time off: PTO (including sick leave), parental leave, family care leave, bereavement, jury duty, voting, short‑term and long‑term disability.
• Additional benefits: company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement.

Additional compensation includes annual or quarterly performance bonuses. Stock compensation may also be included for certain positions.

Minimum Qualifications:

• 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 year’s experience in an analytics related field.
• 5 years’ experience in an analytics or related field.

Preferred Qualifications:

• 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.
• Experience with open source frameworks such as Scikit‑Learn, TensorFlow, Torch.
• Background in creating inclusive digital experiences, knowledge of Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly.

Primary Location: 805 Se Moberly Ln, Bentonville, AR 72712, United States of America

Annual Salary Range: $90,000.00 - $180,000.00