Principal, Data Scientist

Job title: Principal, Data Scientist in Sunnyvale, CA at Walmart

Company: Walmart

Job description: 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:

• Master's 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 diverse 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 .‎ 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:‎‎ - Stock‎‎Minimum 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 fieldPreferred 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 AmericaAbout WalmartAt 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 unique styles, experiences, identities, abilities, ideas and opinions- while welcoming all people."At Walmart, you have the support you need at any given moment no matter the circumstance." — Shelby, Project AnalystHello, Silicon ValleyYou don't have to choose between your career and your lifestyle in Silicon Valley. Here, you can have both.BeautyFiloli Gardens, WoodsideView an art exhibit, take a nature hike, explore the historic Filoli House, or take a class at this gorgeous 654-acre property.ArtSFMOMAGet your art fix at this internationally recognized collection of over 30,000 works of modern and contemporary art.EducationComputer History MuseumLarge-scale exhibits, an acclaimed speaker series, docent-led tours and an award-winning education program bring computer history to life.PurposeThe DishHike or jog throughout the year on terrain dedicated to academic programs, environmental restoration and habitat conservation.ExploreGolden Gate Park, SFEvents, attractions, meadows, lakes, and a Japanese Tea Garden provide for a true escape, without leaving the city.ImagineThe Tech MuseumThis family-friendly interactive science and technology center in San Jose provides a glimpse into the most inventive place on Earth - Silicon Valley.ShopSantana Row - San JoseStylish boutiques, world-class shopping, and delectable cuisine = a San Jose shopping trifecta.DisconnectPacifica State BeachLearn to surf or visit the “World's Most Scenic Taco Bell” at this 0.75 mile long crescent shaped escape, a symbol of successful habitat restoration.ReflectGolden Gate CemeteryThis national cemetery comprises 161 acres dedicated to all the members of the armed forces who served our country.All the benefits you need for you and your family

• Multiple health plan options, including vision & dental plans for you & dependents


• Financial benefits including 401(k), stock purchase plans, life insurance and more


• Associate discounts in-store and online


• Education assistance for Associate and dependents


• Parental Leave


• Pay during military service


• Paid Time off - to include vacation, sick, parental


• Short-term and long-term disability for when you can't work because of injury, illness, or childbirth

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 specific plan or program terms. For information about benefits and eligibility, see .

Expected salary:

Location: Sunnyvale, CA

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