Senior, Data Scientist

Walmart • Sunnyvale, CA

1d • $117,000 - $234,000

About The Position

About the Team: Spark Driver Platform, which operates across all 50 US states with millions of drivers to help serve our customers with local delivery, has grown to become Walmart's largest local delivery service provider. The mission of our Spark Driver Applied AI team is to enhance efficiency and profitability by advancing the frontiers of machine learning, data science and economics. We develop highly reliable and scalable production systems to accelerate the growth of Spark Driver Platform. Our key focus areas include Capacity Planning, Driver Search, Driver Matching, Driver Offer Pricing, Driver Surge Pricing, Incentive Strategy, and ETA prediction. About the Role: As a Senior Applied Scientist, you will collaborate with business, product, and backend engineering teams to drive high-impact projects for Driver Matching and Personalization System. The machine learning solution in these domains vary from deep learning models, reinforcement learning models, recommendation systems, and causal ML models. You will play a critical role in driving innovation and optimizing revenue through the application of advanced statistical and machine learning techniques. The impact of this role is extremely high and directly contributes to reducing fraud/defects, enhancing efficiency, improving delivery reliability, and ensuring driver experience. About Team: Our team works closely with our US stores and eCommerce business to better serve customers by empowering team members, stores, and merchants with technological innovation. From groceries and entertainment to sporting goods and crafts, Walmart U.S. offers an extensive selection that our customers value, whether they shop online at Walmart.com, through one of our mobile apps, or in-store. Focus areas include customers, stores and employees, in-store service, merchant tools, merchant data science, and search and personalization. What you'll do: Collaborate with stakeholders to ensure that our data science product supports Walmart’s business objectives. Explore the latest trends in machine learning and optimization techniques to innovate solutions to solve high-impact and complex business problems. Build data pipelines from multiple sources and extract data insights using data exploration and visualization techniques. Design, implement, productionize, and deploy end to end machine learning solutions with consideration for optimality and computation complexity. Design and implement experiments to develop NorthStar metrics, draw unbiased and robust statistical inferences, and establish causality.

Requirements

• Ph.D. or equivalent advanced degree in Computer Science, Statistics, Operation Research, Economics, or related field.
• Extensive experience in data science, machine learning, statistical analysis, Reinforcement learning, personalization, and ranking experience.
• Proven track record of building and deploying algorithms/models in production.
• Expertise in programming languages such as Python, Java, C, or C++.
• Experience with large-scale data systems (Spark/Hive) and cloud computing (GCP/Azure).
• Demonstrated ability to drive projects from conception to completion in a fast-paced, dynamic environment.
• Excellent communication with the ability to influence and inspire cross-functional teams.
• Option 1- Bachelor’s degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, or related field and 3 years' 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 years' experience in an analytics related field.
• Option 3 - 5 years' experience in an analytics or related field.

Nice To Haves

• Data science, machine learning, optimization models
• Master’s degree 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.

Responsibilities

• Collaborate with stakeholders to ensure that our data science product supports Walmart’s business objectives.
• Explore the latest trends in machine learning and optimization techniques to innovate solutions to solve high-impact and complex business problems.
• Build data pipelines from multiple sources and extract data insights using data exploration and visualization techniques.
• Design, implement, productionize, and deploy end to end machine learning solutions with consideration for optimality and computation complexity.
• Design and implement experiments to develop NorthStar metrics, draw unbiased and robust statistical inferences, and establish causality.

Benefits

• Beyond our great compensation package, you can receive incentive awards for your performance.
• Other great perks include 401(k) match, stock purchase plan, paid maternity and parental leave, PTO, multiple health plans, and much more.
• 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.
• 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: Ph.D. or professional degree
• Number of Employees: 1-10 employees