Staff, Data Scientist – Conversational AI

Walmart • Sunnyvale, CA

23h • Onsite

About The Position

The Revenue and Marketing Data Science Team at Walmart Global Tech is dedicated to incubating and developing data-driven, ML/AI solutions that help Walmart, suppliers, sellers, creators and influencers connect with followers and customers through Marketing, Advertising and Social Commerce to reimagine discovery, storytelling, and personalization at scale. Join us to shape the future of AI-driven social commerce initiatives to directly make an impact on business objectives and set trends in bridging influencer and social platforms with retail and ecommerce redefining inspirational shopping journeys. We are seeking a talented individual with expertise in multimodal generative AI, large language models and deep learning to elevate our AI initiatives. The ideal candidate will demonstrate a profound mastery of state-of-the-art multimodal Gen AI and LLM technologies, adept at translating innovative concepts into impactful business applications in e-commerce. 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 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. Walmart’s culture is a competitive advantage, and it’s fostered by being together. Working together in person allows us to collaborate, align quickly and innovate with greater speed. We use our campuses to create purposeful connection rooted in deepening understanding and investing in the development of our associates. Fifty years ago, Sam Walton started a single mom-and-pop shop and transformed it into the world's biggest retailer. Since those founding days, one thing has remained consistent: our commitment to helping our customers save money so they can live better. Today, we're reinventing the shopping experience and our associates are at the heart of it. You'll play a crucial role in shaping the future of retail, improving millions of lives around the world. This is that place where your passions meet purpose. Join our family and create a career you're proud of.

Requirements

• Expertise in working with deep-learning based generative/multi-modal models or similar research experience with deep-learning/AI
• Experience in the following areas – multimodal Generative Models for Text generation, Image generation, Audio and Video generation
• Experience in VLMs for Image classification, object detection, scene/semantic segmentation, keypoint detection, CLIP/similar for similarity
• Experience in models for multimodal synthetic data generation
• Experience with large deep-learning model fine-tuning and deployment
• Experience with prompt engineering and agentic AI design
• Solid understanding of Python and expertise in working with data science related packages (Numpy, Pandas, Pytorch etc.)
• Advanced degree in computer science, statistics, data science, mathematics or other discipline (e.g., electrical engineering, economics, psychology) that exposes scientific methods of research and analysis. PhD degree is a plus
• Demonstrated knowledge of the following programming Languages, Cloud technologies Gen AI focus, DL frameworks: Java, Python, Bash, Pytorch, BigQuery, SQL, Distributed training and Inference Frameworks, GPU MLOPS and CICD, FAISS, Vector Stores, Agent SDKs
• 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

Nice To Haves

• Publications in top ML/AI/NLP conferences (NeurIPS, ICML, EMNLP, ACL, ICLR, AAAI, IJCAI, CVPR, ICCV, ECCV, KDD etc.) are a plus.
• 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)
• 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.

Responsibilities

• Develop and apply state-of-the-art deep learning based generative models and multi-modal models such as text generation, image generation, video generation and capturing multimodal data relationships etc
• Proficient in evaluating trade-offs between open source vs Cloud APIs for multimodal Gen AI in terms of performance, cost efficiencies.
• Work with large scale data and curate in house domain datasets from scratch.
• Collaborate with Engineering teams to define interfaces, understanding and resolving dependencies
• Standardize and build scalable and highly available systems that follow operational best practices
• Develop visuals and reports to efficiently communicating model results and insights to business teams
• Maintain world-class academic credentials through patent applications, publications, conference presentations, and external collaboration and service to the research community.

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.
• 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.
• 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level