Principal, Data Scientist

**Position Summary...** Join Walmart's CDI team for the chance to work on Customer Data within Walmart for solving complex retail problems/challenges. Utilize deep learning methods and architectures to build and deploy models for Customer Segmentation, Ethical AI, etc. Will also be working on causal inference problems for scenario-based adjustment. **What you'll do...** + Lead high-visibility projects in the areas of customer Segmentation, Ethical AI, Customer Identity. + Develop Deep learning and GenAI integrated models and NLU interfaces and guide a team of Data scientists as a technical lead. + Develop data science systems and tools for retail ; e-commerce applications: + Leverage LLMS to summarize and build large scale chat applications + Train large scale neural networks and deploy them as a automated batch pipelines using airflow. + Deploy large scale forecasting pipelines modeling thousands of time series using batch pipelines + Establish cross-functional relationships to maintain win-win situation for the corporation + Collaborate with various product stake holders and business owners to formulate and productionize a solution. **What you'll bring:** + Masters degree or PHD in Computer Science, Information Technology, Statistics, Economics, Analytics, Mathematics, or related field and 5 years experience in an analytics related field. **Must have qualifications...** + Have deep understanding on neural networks, attention architecture and other DL and ML concepts. Familiar with statistical models, such as linear models, generalized linear models, experiment design, and testing. + Have experience working in building AI models. Experience working in Customer segmentation space or Customer data space and Ethical AI. + Have experience working with, and fine-tuning LLMs + Proven records of solving business problems using deep learning and machine learning methods. + Familiar with some of the DL packages such as Pytorch, Keras, Tensorflow + Strong software development skills in languages such as Python, SQL, R, Scala, Java + Have experience in involving in deployment and production process. + Have experience working with cross-functional teams, such as engineering and product teams. **Great to have...** + Experience with Big Data processing and feature engineering using Spark + Experience with training machine learning models through Cloud Services including Google Cloud Platform and Microsoft Azure + Hands on experience of designing and training large DL models on GPU farm + Causal inference expertise and experiences **Behavior qualifications...** + Problem solver with can-do attitude, not afraid of facing new problems, technical challenges, delivery pressures + Ability to clearly define problems, models and constraints from informal and flexible business requirements + Tech leadership with teamwork spirit, quick adaptation to new environment + Form collaborative working environment. **Our team is part of the Data Science Center of Excellence for Customer Data and Identity** to build AI Insights and strategic decision-making through cutting-edge data-driven solutions. We specialize in a range of Customer data initiatives building Machine Learning, Deep Learning models, and leveraging Generative AI (GenAI) to produce concise, insightful summaries that empower decision-makers. By integrating these innovative approaches, we strive to drive efficiency, accuracy, and impactful outcomes in financial operations. 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. ‎ ‎ ‎ 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. ‎ For information about PTO, see . ‎ ‎ 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. ‎ 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 ( . ‎ Sunnyvale, California US-08479:The annual salary range for this position is $143,000.00-$286,000.00 ‎ Bentonville, Arkansas US-09401:The annual salary range for this position is $110,000.00-$220,000.00 ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ Additional compensation includes annual or quarterly performance bonuses. ‎ Additional compensation for certain positions may also include: ‎ ‎ - Stock ‎ ‎ **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 5 years' experience in an analytics related field. Option 2: Masters degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology or related field and 3 years' experience in an analytics related field. Option 3: 7 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, Publications or active peer reviewer in related journals or conference, 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...** 640 W California Avenue, Sunnyvale, CA 94086-4828, United States of America 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.