Summer PhD Data Science Intern (Sr.)

Walmart Inc.; Bentonville (AR); On-site; USD 54,000 - 106,000; Part time

Benefits offered by this job

Housing assistance provided

Job summary

Walmart Inc. invites applications for a Summer 2027 PhD Intern: Sr. Data Scientist position in Bentonville, AR.

This internship includes an 11-week program with hands-on project work, exposure to leadership, and executive sessions designed to accelerate your analytics skills. You will work across data science domains, develop production-ready models, and gain experience in data pipelines, visualization, and business impact.

Qualifications

• Must be enrolled in a PhD degree program currently
• Expected graduation date between December 2027-August 2028
• 0-1 years of relevant full-time experience (excludes internship and research-based roles)

Responsibilities

• Identifies and helps design solutions to business problems based on machine learning and other advanced algorithms
• Owns delivery of the piece of the project assigned by the broader team
• Helps define measurement and implementation plans to unlock business value
• Translates problems that need solving into algorithmic solutions
• Gains expertise in the domain area to identify the boundaries of the problem and helps design a strong solution for it
• Works with product and data experts to explore various datasets and identify those most appropriate
• Builds data quality checks to ensure the integrity of data pipelines used in the solution
• Owns technical solution development, learning requirements and best practices from the team
• Leverages exploratory data analysis techniques to understand the data
• Defines and engineers features, builds and evaluates simple models, then adds complexity to modeling as needed
• Drives measurement of the solution
• Supports model fit testing and statistical inference to evaluate performance
• Assesses the impact of variables and features on inference results and business outcomes.
• Writes production-ready analytical models and data pipelines
• Gains experience in production support, using those skills for evaluations, tracking, and alerting of key KPIs
• Develops code according to project requirements, in the recommended language
• Modifies and enhances code based on code reviews
• Implements unit tests, integration tests, and code quality checks to ensure quality deployments
• Creates visualizations for key datasets and models to highlight contributions made to the project and team
• Presents innovative ideas to collaborators using appropriate graphing libraries and BI tools
• Develop insights about model health, data quality, and business processes to meet customer needs

Job description

Walmart Inc. invites applications for a Summer 2027 PhD Intern: Sr. Data Scientist position in Bentonville, AR.

This internship includes an 11-week program with hands-on project work, exposure to leadership, and executive sessions designed to accelerate your analytics skills. You will work across data science domains, develop production-ready models, and gain experience in data pipelines, visualization, and business impact.