Senior Data Scientist

At Walmart, you’ll turn complex data into practical, customer-focused improvements by applying advanced analytics and machine learning. This onsite role in Hoboken, NJ supports scalable data pipelines, model development and deployment, and cross-functional collaboration to enhance e-commerce search relevance. You’ll also contribute to an environment that values integrity, excellence, and customer-centric outcomes, including mentorship of junior data scientists.

What you’ll do

• Identify and source relevant data across multiple business domains while ensuring data quality and analytical suitability.
• Develop, test, and deploy advanced analytical models using statistical and machine learning methods to address complex business challenges.
• Partner with stakeholders to convert business requirements into data-driven solutions aligned with strategic goals.
• Design and implement scalable data pipelines and workflows that support model deployment and ongoing analytics.
• Build clear, insightful data visualizations and presentations to communicate findings and influence decision-making.
• Mentor junior team members and help promote best practices in data science and analytics methodologies.

What you’ll bring

• Extensive experience in data science, machine learning, and statistical methods for developing and deploying analytical models.
• Proficiency in Python and data visualization tools including Matplotlib , Plotly , and Tableau .
• Strong knowledge of data pipelines, data quality standards, and data governance principles.
• Expertise in model assessment, validation, and tuning using advanced statistical techniques.
• Ability to translate complex business problems into data-driven solutions with a strong grasp of business context.
• Experience with natural language processing and large language modeling applications.
• Proven skills in coding, testing, and deploying scalable data science solutions in production environments.

Technologies you’ll work with

• Python, Matplotlib, Plotly, Tableau
• Natural language processing
• Large language modeling

Minimum qualifications

• Option 1: Bachelor’s degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, or related field and 3 years of experience in an analytics related field.
• Option 2: Master’s degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, or related field and 1 year of experience in an analytics related field.
• Option 3: 5 years of experience in an analytics or related field.

Preferred qualifications

• Background in data science, machine learning, optimization models; and/or a Master’s degree in Machine Learning, Computer Science, Information Technology, Operations Research, Statistics, Applied Mathematics, or Econometrics.
• Successful completion of one or more assessments in Python, Spark, Scala, or R.
• Experience using open source frameworks (for example, scikit-learn, tensorflow, torch).
• Knowledge of inclusive digital experiences, including implementing WCAG 2.2 AA standards, assistive technologies, and integrating digital accessibility.

Compensation and benefits

The annual salary range for this position is USD 108,000 - 216,000 , with additional compensation including stock. Benefits include:

• Medical, vision and 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 and long-term disability
• Company discounts
• Military Leave Pay
• Adoption and surrogacy expense reimbursement
• Live Better U (Walmart-paid education benefit program)

Primary location: 221 River St, Hoboken, NJ 07030, United States of America