2025 Summer PhD Intern: Sr. Data Scientist

Posted:
10/10/2024, 5:00:00 PM

Location(s):
Bentonville, Arkansas, United States ⋅ Sunnyvale, California, United States ⋅ California, United States ⋅ Arkansas, United States

Experience Level(s):
Internship

Field(s):
AI & Machine Learning ⋅ Data & Analytics

Position Summary...

What you'll do...

Job Description

Day in the Life of Walmart Global Tech. 

If you’re thinking ‘scale’, think bigger and don’t stop there. At Walmart Global Tech, we don’t just innovate, we enable transformations across stores/clubs and different channels for the Walmart experience. We innovate to deliver a simple and seamless experience for our customers and members. Our tech talent solves the biggest and most complex problems. We drive digital transformation where data and analytics are enabling us to better serve our customers/members and create a digital relationship with them. As our customers/members evolve and adapt, we are taking it a few notches further here. We are changing what customers and members can expect from the experience of shopping, from the physical stores/clubs, to mobile, social, and even online; we are not just ready for the future of shopping, we are creating it. 

About Our Program: 

Each summer, we select the best and brightest to look under the hood of the world’s largest retailer at our Walmart Home Offices across multiple locations. During the 11-week program, our interns work directly with teams who are changing the way the world shops. This is the beginning of what could be an exciting career with Walmart! 

 

The intern experience includes: 

  • An impactful individual project designed to align to your skillsets and interests 

  • Direct access to leadership across the enterprise 

  • Executive-led speaker sessions with insightful Q&A  

  • Community outreach events 

  • Networking and social events 

  • Learning & development opportunities targeting both hard and soft skills 

  • Deep dives into different areas of our business  

  • Time management and leadership development as a full-time associate  

  • An in-depth look at our Belonging, Diversity, Equity & Inclusion (BDEI) practices 

  • Compensation and housing assistance provided 

 

Roles & Responsibilities:  

Applied Business Acumen 

  • 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 

 

Problem Formulation 

  • 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 

 
Data Source Identification 

  • 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 

 
Model Analysis 

  • 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 

 

Model Assessment & Validation 

  • Supports model fit testing and statistical inference to evaluate performance 

  • Assesses the impact of variables and features on inference results and business outcomes. 

 
Model Deployment & Scaling 

  • Writes production-ready analytical models and data pipelines 

  • Gains experience in production support, using those skills for evaluations, tracking, and alerting of key KPIs 

 

Code Development & Testing 

  • 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 

 
Data Visualization 

  • 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 

  • Develops insights about model health, data quality, and business processes to meet customer needs 

 

Office Environment: Corporate 

 

U.S. Tech Hub Location(s): Bentonville, AR and Sunnyvale, CA 

*Location availability is limited based on job profile and business needs.  

 

Desired Majors: Computer Science, Data Science, Machine Learning, Analytics, Mathematics, Statistics, or other relevant majors 

 

Minimum Qualifications 

  • Must be currently enrolled in a PhD degree program 

  • Expected graduation date between December 2025-August 2026 

  • 0-2 years of full-time relevant experience (excludes internship and research-based roles)

At Walmart, we offer competitive pay as well as performance-based bonus awards and other great benefits for a happier mind, body, and wallet. Health benefits include medical, vision and dental coverage. Financial benefits include 401(k), stock purchase and company-paid life insurance. Paid time off benefits include PTO (including sick leave), parental leave, family care leave, bereavement, jury duty, and voting. Other benefits include short-term and long-term disability, company discounts, Military Leave Pay, adoption and surrogacy expense reimbursement, and more.

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You will also receive PTO and/or PPTO that can be used for vacation, sick leave, holidays, or other purposes. The amount you receive depends on your job classification and length of employment. It will meet or exceed the requirements of paid sick leave laws, where applicable.

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For information about PTO, see https://one.walmart.com/notices.

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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.

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Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to a specific plan or program terms.

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For information about benefits and eligibility, see One.Walmart.

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Sunnyvale, California US-04396:The hourly wage range for this position is $34.00-$66.00*

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Bentonville, Arkansas US-09401:The hourly wage range for this position is $26.00-$51.00*

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*The actual hourly rate will equal or exceed the required minimum wage applicable to the job location.

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Additional compensation in the form of premiums may be paid in amounts ranging from $0.35 per hour to $3.00 per hour in specific circumstances. Premiums may be based on schedule, facility, season, or specific work performed. Multiple premiums may apply if applicable criteria are met.

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Minimum Qualifications...

Outlined below are the required minimum qualifications for this position. If none are listed, there are no minimum qualifications.

Preferred Qualifications...

Outlined below are the optional preferred qualifications for this position. If none are listed, there are no preferred qualifications.

Primary Location...

702 Sw 8Th St, Bentonville, AR 72716, United States of America