Senior, Data Scientist

Position Summary...

What you'll do...

Navigating rush hour traffic to deliver groceries to our customers in as little as an hour. Maneuvering through a bustling city during the peak times of the day. Adapting our routes during rush hour and major events like the Super Bowl. Sounds simple right? Our Last-Mile team utilizes hundreds of data points to create connections between stores, customers, shoppers, and drivers.

As a Senior Data Scientist for Last-Mile Delivery at Walmart, you will help pioneer algorithms for demand, capacity, cost, and fulfillment to make Walmart’s delivery platform one of the fastest and most reliable delivery services in the country. You will have access to our limitless global data harvested from our customer and driver apps.

• Identifying opportunities and business problems and framing them into advanced data analytics project initiatives.

• Extracting available and relevant data from internal and external data sources to perform data science solution development.

• Performing exploratory data analysis to verify data quality and data integrity.

• Design, analyze, and run both simulated and live experiments (A/B and multivariate tests) to drive KPI improvements.

• You will conceive and lead projects while being a hands-on builder of machine learning/deep learning software components.  

• You will coach and mentor the next generation of strong engineers on the team.

What you will work on…

You will be joining a growing data science team and will tackle some of the most challenging and impactful problems that are transforming how people buy groceries every day. Our systems support thousands of drivers and shoppers on the Walmart’s platform by offering immediate and flexible earnings opportunities, and so we must remain highly reliable at all times to ensure that Walmart’s customers receive timely and high-quality deliveries.

Areas of work:

• Build reserve management models, develop dashboards and analytical frameworks to provide regional and network insights and monitor applicant pipeline (>3M applicants).

• Manage, build, and automate segmentation model and marketing bidding framework to create efficiencies for sourcing and segmentation and reduce applicant wait time.

• Propose, design, and analyze experimentation across acquisition channels; communicate results and act on pilot decisions.

• Conduct new driver churn, re-engagement, and reactivation study, research. Develop reactivation and reengagement study, research, and re-engagement strategy. Leverage data and analytic frameworks to identify opportunities for re-engagement and reactivation.

Skills required:

• Ability to thrive in an unstructured environment, working autonomously on a strong team to find opportunity and deliver business impact­­.

• Advanced understanding of machine learning algorithms, statistical modeling, causal inference, complex systems modeling, operations research, economics, etc. to shape the future of Walmart.

• Experience with A/B testing and ability to run rigorous experiments to produce scientifically sound recommendations.

• Build simulations to project impact of various product and policy interventions.

• Proven ability with statistical methods and advanced modeling techniques like Regression, Decision Trees, Random Forest, Clustering, NLP, Text Mining, etc.

• Proficient coding in one or more languages: Java, C++, Python, Spark, Scala, or R

• Deep expertise in writing efficiently and debugging complex SQL queries.

• Data driven storytelling experience with visualizations in Tableau, Power BI, etc.

• Strong written, oral communication and presentation skills

• Problem solving skills / Abstract thinking – ability to understand a real-life problem, make the right judgement of problem statement, and give a feasible design of solution.

• Experience in interacting with business stakeholders and effectively drive conversations.

• Experience on leveraging visualization to build compelling stories based on context to integrate multiple pieces of information into cohesive insights.

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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Hoboken, New Jersey US-10649:The annual salary range for this position is $108,000.00-$216,000.00

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San Bruno, California US-08848:The annual salary range for this position is $117,000.00-$234,000.00

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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- 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.

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, 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.

Primary Location...

850 Cherry Avenue, San Bruno, CA 94066-3031, United States of America