Principal, Data Scientist - RiskTech

Position SummaryWhat you'll doJob DescriptionThe Principal Data Scientist in the Data Science team will play a crucial role as an architect, leading AI explorations, research, algorithmic solution creation, and fast prototyping aimed at delivering impactful initiatives within Walmart Global Tech. This position involves developing and deploying AI/ML models that will enable business-critical platforms across the Walmart security ecosystem.As the Principal Data Scientist, you will oversee the end-to-end implementation of Machine Learning products and collaborate with an accomplished team of Product Managers and Technologists to implement AI/ML solutions at scale. In this capacity, you will join a vibrant group of high-achieving individuals leading impactful and transformative shifts in our business.About Team:We are developing cutting-edge security platforms for Walmart that encompass critical applications and AI services. These innovative solutions are designed to enhance safety and security for both associates and customers, ensuring a secure shopping environment.What you'll do:

Provide technical leadership to a team of Data Scientists while collaborating with engineers focused on backend software services for powering AI/ML solutions.

Partner closely with product and engineering leaders to inform, drive, and accelerate innovations in physical security and risk platforms.

Execute the full life cycle of projects, including project planning, data collection, model prototyping, and deployment, with responsibilities encompassing stakeholder management and communication to cross-functional partners.

Build MLOps and LLMOps frameworks to create, manage, and deploy data science algorithms effectively.

Lead feature engineering efforts to optimize data pipelines and model performance.

Demonstrate a strong understanding of various LLM models, their applications, and implications for business use cases.

Apply software engineering best practices, including test-driven design and development, to ensure the reliability and maintainability of ML solutions.

Foster a collaborative environment, promoting open communication and teamwork across multiple teams.

Stay updated with the latest trends and advancements in AI/ML to drive continuous learning and innovation.

What you'll bring:

Experience in the development and deployment of large-scale business-critical AI/ML systems and services in public cloud environments like Azure and GCP.

5+ years of experience in applied NLP with a deep understanding of transfer learning, LLM-based models including RAG, zero/few-shot learning, and multi-modal.

Proficiency in programming languages (Python, Java, R, or Scala) and large-scale training using data structures and algorithms.

Proficiency in machine learning frameworks such as TensorFlow, PyTorch, Caffe, Scikit-Learn, or Spark MLLib.

Experience with agile methodologies, using project planning and tracking management tools (e.g., JIRA).

A natural curiosity about how things work and a passion for solving challenges at the scale of a Fortune 1 retailer.

About Walmart Global TechImagine working in an environment where one line of code can make life easier for hundreds of millions of people. That's what we do at Walmart Global Tech. We're a team of software engineers, data scientists, cybersecurity expert's and service professionals within the world's leading retailer who make an epic impact and are at the forefront of the next retail disruption. People are why we innovate, and people power our innovations. We are people-led and tech-empowered. We train our team in the skillsets of the future and bring in experts like you to help us grow. We have roles for those chasing their first opportunity as well as those looking for the opportunity that will define their career. Here, you can kickstart a great career in tech, gain new skills and experience for virtually every industry, or leverage your expertise to innovate at scale, impact millions and reimagine the future of retail.Flexible, hybrid work:We use a hybrid way of working that is primarily in-office coupled with virtual when not onsite. Our campuses serve as a hub to enhance collaboration, bring us together for purpose and deliver on business needs. This approach helps us make quicker decisions, remove location barriers across our global team and be more flexible in our personal lives.Benefits: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.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.The above information has been designed to indicate the general nature and level of work performed in the role. It is not designed to contain or be interpreted as a comprehensive inventory of all responsibilities and qualifications required of employees assigned to this job. The full Job Description can be made available as part of the hiring process.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 https://one.walmart.com/notices .‎‎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 .‎Reston, Virginia US-07759:The annual salary range for this position is $132,000.00-$264,000.00‎Bentonville, Arkansas US-09050:The annual salary range for this position is $110,000.00-$220,000.00‎‎‎‎‎‎‎‎‎‎Additional compensation includes annual or quarterly performance bonuses.‎Additional compensation for certain positions may also include:‎‎

Stock

‎‎Minimum QualificationsOutlined 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 QualificationsOutlined 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 Location10790 Parkridge Dr. Suite 200, Reston, VA 20191, United States of AmericaWalmart, 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.