Staff Data Scientist
Walmart

What you'll do at

Position Summary...

What you'll do...

Join the Search and BuyBox algorithm team at Walmart, where we are pioneering solutions to some of the most challenging problems in e-commerce. Every time a user types in a query, engages with an item on our website or mobile apps, or browses through product categories, our advanced algorithms spring into action.

We are the driving force behind both the Search and BuyBox systems. Our Search system mines billions of search queries and hundreds of millions of products to find the most relevant products for our customers, while our BuyBox system is the offer ranking engine that optimizes user experience by presenting the best possible offers from various sellers. Our aim is not only to assist customers in their buying decisions but also to foster a competitive and fair marketplace for our sellers. By leveraging data from hundreds of millions of user-product interactions, we surface the most competitive offers that deliver optimum value to our customers and find the most relevant products for them.

As a part of our team, you will solve intriguing problems in the domains of machine learning, information retrieval and ranking, natural language processing, and computer vision. The algorithms you develop will champion customer needs, surface reliable offers, align with customer intents across multiple platforms and modalities (voice, text, image, etc.), and understand their preferences, implicitly or explicitly. Your work will have a direct impact on millions of customers and contribute significantly to the strategic goals of the world's leading enterprise.

If you have a passion for machine learning and are driven by innovation, we want to hear from you. Join our team and be part of this exciting journey.

About Team:
Our team is at the forefront of e-commerce innovation, driving the performance and functionality of both the Search and BuyBox systems at Walmart. We employ advanced machine learning techniques to rank offers from various sellers, surface the most relevant products to our customers based on their search queries, and ensure the best possible deal is presented to customers in the BuyBox. Our work spans across Walmart.com and our mobile apps, influencing the shopping experience of millions of customers daily. We work closely with other teams to understand user behavior, seller offerings, and market dynamics. Our focus areas include offer ranking, seller performance, search personalization, information retrieval and ranking, and general feature development within the Search and BuyBox systems.

What you'll do:

• Designing and implementing machine learning algorithms to optimize the performance of both the Search and BuyBox systems, ensuring the most relevant and competitive offers and products are presented to the customers.
  

• Building, validating, testing, and deploying predictive models using machine learning techniques to understand, explain, or predict customer and seller behavior, and solve a variety of business and engineering problems.
  

• Identifying, collecting, and exploring the right data used for predictive modeling and algorithm development, particularly related to offer ranking, product relevancy, and seller performance.
  

• Performing and leading developments using machine learning techniques in one or more of the key areas like information retrieval and ranking, natural language processing, computer vision, entity recognition, and product classification.
  

• Collaborating with various teams to understand the impact of Search and BuyBox on customer behavior and overall business performance, and continuously improving the systems to meet strategic business goals.
  

What you'll bring:

• 3+ years of work and research experience in the machine learning field, coupled with a deep understanding of machine learning and an interest in applying it at scale.
  

• Experience with data cleaning, preparation, and featurization and selection techniques.
  

• Experience in working with large datasets to solve problems.
  

• Experience with deep learning libraries such as TensorFlow and/or PyTorch is highly desirable, as is experience with Spark and/or Hadoop.
  

• Hands-on experience with Python, Java or Scala, and the ability to write reusable and efficient code to automate machine learning pipelines and data processes.
  

• Effective communication, interpersonal and teamwork skills.
  

• The ability to handle multiple concurrent projects while working independently and in teams.
  

• The ability to work in a fast-paced, deadline-driven environment.
  

• A Ph.D. or M.S. in Computer Science, Statistics, Artificial Intelligence, Operations Research, Mathematics, Electrical Engineering, Computational Linguistics, or related fields.
  

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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The annual salary range for this position is $110,000.00-$220,000.00
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Additional compensation includes annual or quarterly performance bonuses.
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Additional compensation for certain positions may also include:
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- Stock
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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.

Option 1: Bachelors degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field and 4 years' experience in an analytics related field. Option 2: Masters degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field and 2 years' experience in an analytics related field. Option 3: 6 years' experience in an analytics or related field

Preferred Qualifications...

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

Data science, machine learning, optimization models, PhD 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), We value candidates with a background in creating inclusive digital experiences, demonstrating knowledge in implementing Web Content Accessibility Guidelines (WCAG) 2.2 AA standards, assistive technologies, and integrating digital accessibility seamlessly. The ideal candidate would have 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.

Primary Location...

2501 Se J St, Ste A, Bentonville, AR 72716-3724, United States of America

About Walmart

At Walmart, we help people save money so they can live better. This mission serves as the foundation for every decision we make, from responsible sourcing to sustainability-and everything in between. As a Walmart associate, you will play an integral role in shaping the future of retail, tech, merchandising, finance and hundreds of other industries-all while affecting the lives of millions of customers all over the world. Here, your work makes an impact every day. What are you waiting for?

Walmart, Inc. is an Equal Opportunity Employer- By Choice. We believe we are best equipped to help our associates, customers, and the communities we serve live better when we really know them. That means understanding, respecting, and valuing diversity- unique styles, experiences, identities, abilities, ideas and opinions- while being inclusive of all people.

"The people you work with are ready to help without hesitation to make sure you succeed, it's just part of the culture." - Shelby, Project Analyst

Hello, NW Arkansas

With over 200 miles of trails, an emerging locally-sourced food scene, the world-renowned Crystal Bridges Museum-NWA has something for everyone.

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