Principal, Data Scientist

Position Summary... What you'll do...

The Catalog Data Science Team at Walmart Global Tech is focused on using the latest research in generative AI (GenAI), artificial intelligence (AI), machine learning (ML), statistics, deep learning, computer vision and optimization to implement solutions that ensure Walmart’s product catalog is accurate, complete, and optimized for customer experience. Our team tackles complex data science and ML engineering challenges related to product classification, attribute extraction, trust & safety, and catalog optimization, empowering next-generation retail use cases.

The Data Science and ML Engineering community at Walmart Global Tech is active in most of the Hack events, utilizing the petabytes of data at our disposal, to build some of the coolest ideas. All the work we do at Walmart Global Tech will eventually benefit our operations & our associates, helping Customers Save Money to Live Better.

Our team works closely with our US stores and eCommerce business to better serve customers by empowering team members, stores, and merchants with technological innovation. From groceries and entertainment to sporting goods and crafts, Walmart U.S. offers an extensive selection that our customers value, whether they shop online at , through one of our mobile apps, or in-store. Focus areas include customers, stores and employees, in-store service, merchant tools, merchant data science, and search and personalization.

We are looking for a Principal Machine Learning Engineer who can help build large scale AI/ML/Optimization products. Expected qualities include ability to build, deploy, maintain and troubleshoot large scale systems.

As a Principal (ML Engineer) Data Scientist, you’ll have the opportunity to

• Lead and inspire a team of scientists and engineers solving AI/ML problems through R&D while pushing the state-of-the-art
• Lead the team to develop production level code for implementation of AI/ML solutions using best practices to handle high scale and low latency requirements
• Design large scale AI/ML products/systems impacting millions of customers
• Develop highly scalable, timely, highly-performant, instrumented and accurate data pipelines
• Identify, develop, and deliver improvements on data performance, data quality and cost, which needs to be monitored and analyzed
• Enable data governance practices and process by being a passionate adopter and ambassador
• Perform fine-tuning operations on large language models to customize them for specific business needs
• Optimize large language models for performance and scalability in production environments
• Utilize and contribute to generative AI advancements to develop novel solutions that meet business requirements
• Collaborate with multiple stakeholders to drive innovation at scale
• Build a strong external presence through publishing your team’s work in top-tier AI/ML conferences and developing partnerships with academic institutions
• Adhere to Walmart’s policies, procedures, mission, values, standards of ethics and integrity
• Adopt to Walmart’s quality standards, develop/recommend process standards and best practices across the retail industry

• Educational qualifications in PhD with > 8 years of relevant experience / 4-year bachelor’s degree with > 12 years of experience / Master’s degree with > 10 years of experience
• Educational qualifications should be preferably in Computer Science or a similar discipline.
• Demonstrated history of technology leadership and strong hands‑on experience
• Proven records of scientific publications or intellectual property generation
• Past experience in strong programming skills across big data and ML engineering stack
• Strong communication skills with inclination to high ownership and commitment
• Prior experience leading AI/ML tracks and taking it to Production

Imagine 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…