Staff Data Scientist

Position Summary...

What you'll do...

Walmart Global Tech CSIS (Core Services: Item and Supply Chain Technology) Data Science team is looking for a passionate data scientist to join world’s largest retailer to shape the future of retail by working on various Mid-Mile and Last-Mile related problems. You will have the chance to leverage advanced machine learning and optimization methods to tackle a wide range of real-world problems, such as driver-trip matching, trip pricing, supply/demand forecast and time prediction, driver workload matching, mid-mile loading and so on.

What You’ll Achieve

• Build production models on large-scale datasets to help Walmart Last mile business use cases, such as trip-driver matching, driver trip pricing and driver assignment time prediction by utilizing statistical modeling, machine learning and optimization techniques
• Build data pipeline from multiple sources and extract data insight with data exploration and visualization techniques
• Design, implement, productionize and deploy data science products with consideration of optimality and computation complexity
• Collaborate with stakeholders, including product, engineering, operations team to ensure that our data science product supports Walmart’s business objectives
• Explore and latest trends of machine learning and optimization techniques to come up with solutions for complex data challenges

About You

• Solid knowledge in advanced optimization algorithms including mixed integer programming models, network flows models, heuristics, meta-heuristics and etc.

• knowledge in developing flexible models based on Vehicle Routing, Scheduling and Graph Theory to solve for challenging combinatorial optimization problems.

• Passionate about building scalable, reliable data driver products

• Ability to write production grade code in programming languages, such as Python, R and Java, with understanding of algorithms and data structures

• Experience with SQL

• Ability to translate business needs into analytical frameworks

• Familiarity of common deep learning models

• Familiarity of model assessment and validation process; apply the best practice techniques for model testing and parameter tuning

Must Haves

• Master or PhD in Statistics, Operations Research, Industrial Engineering and Mathematics or other quantitative fields
• Strong knowledge of machine learning, mathematical programming modeling and optimization
• Demonstrated coding and programming abilities
• Good communication skills

Would like to Haves

• Experience of building large-scale Machine learning driven or optimization products
• Experience with SQL and databases
• Capability of conducting independent research to keep track of latest development and trend in the industry and academia

Benefits & Perks

Beyond competitive pay, 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.

Equal Opportunity Employer

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, ideas, and opinions – while being inclusive of all people.

About Global Tech

Imagine working in an environment where one line of code can make life easier for hundreds of millions of people and put a smile on their face. That’s what we do at Walmart Global Tech. We’re a team of 15,000+ software engineers, data scientists and service professionals within Walmart, the world’s largest retailer, delivering innovations that improve how our customers shop and empower our 2.2 million associates. To others, innovation looks like an app, service, or some code, but Walmart has always been about people. People are why we innovate, and people power our innovations. Being human-led is our true disruption.

Minimum Qualifications...

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

As permitted by applicable law, provide evidence of full vaccination as defined by CDC guidelines OR secure approval of medical or religious accommodation for the vaccination mandate., 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)

Primary Location...

805 SE MOBERLY LN, BENTONVILLE, AR 72712, United States of America