Staff, Data Scientist – Conversational AI

Position Summary...

What you'll do...

About Us
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.

Job Description
· 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.

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

About Walmart Global Tech
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