What you'll do at
What you'll do...
Position: Senior Data Scientist
Job Location: 860 W. California Avenue, Sunnyvale, CA 94086
Duties: Work with various data processing frameworks such as Scikit-learn, Pandas, and Numpy. Perform distributed data processing using PySpark to work with large datasets. Develop an understanding of Walmart's products based on attributes such as title, description, and image. Generate structured features for Walmart products from unstructured data. Design and construct automated workflow pipelines. Perform statistical analysis and data visualization. Design and develop ML models using PyTorch or TensorFlow. Evaluate model performance using metrics such as NDCG and MRR. Develop end-to-end recommender systems based on item similarity and complementarity for various customer interfaces.
Minimum education and experience required: Master's degree or equivalent in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field and 1 year of experience in an analytics related field; OR Bachelor's degree or equivalent in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field and 3 years of experience in an analytics related field.
Skills required: Experience coding in object-oriented programming language Python. Experience querying and processing data from databases. Experience preprocessing data and implementing feature engineering. Experience with Natural Language Processing. Experience structuring and organizing unstructured text data. Experience performing probabilistic and statistical analysis. Experience with data visualization. Experience experimenting with various machine learning and data mining algorithms including regression, clustering, decision trees, and artificial neural networks. Experience with semi-supervised learning. Experience generating performance evaluation metrics. Experience designing and implementing end-to-end recommender systems. Employer will accept any amount of graduate coursework, graduate research experience or professional experience with the required skills.
Salary Range: $138,911/year to $234,000/year. Additional compensation includes annual or quarterly performance incentives. Additional compensation for certain positions may also include: Regional Pay Zone (RPZ) (based on location) and Stock equity incentives.
Benefits: At Walmart, we offer competitive pay as well as performance-based incentive 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, education assistance with 100% company paid college degrees, company discounts, military service pay, adoption expense reimbursement, and more.
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. For information about benefits and eligibility, see One.Walmart.com.
Wal-Mart is an Equal Opportunity Employer.
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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.
"At Walmart, you have the support you need at any given moment no matter the circumstance." - Shelby, Project Analyst
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