Position Summary A senior leadership role on Walmart's Marketplace Data Science team focused on applying advanced AI/ML techniques at scale to drive business growth and operational efficiency across multiple countries. About the Team The Data Science team develops and deploys machine learning models and pipelines in a big data ecosystem. They collaborate closely with engineering, product, and business teams. The focus is on cutting-edge ML, statistics, optimization, and emerging AI technologies. What You'll Do Lead innovative AI/ML solutions at scale with rapid deployment. Develop advanced statistical and computational models based on business needs. Collaborate with senior leadership to define Marketplace strategy. Guide data gathering, validate data, and synthesize analytics datasets. Mentor and manage data scientists and analysts across global teams. Use big data and advanced analytics to identify trends and drive insights. Build, train, deploy, and maintain AI/ML models and pipelines. Communicate insights and recommendations effectively to business stakeholders. Act as a thought leader on algorithm-driven business actions. Oversee timely delivery of ML products and ensure adherence to MLOps best practices. Drive innovation in multi-lingual and multi-modal AI models, including computer vision. Translate complex business problems into scalable analytical solutions. Quantify business impact and continuously measure ML product effectiveness. Collaborate globally to enhance customer experience and business results. Promote company values and ethical standards. What You'll Bring Education: PhD (preferred), or Master's (17+ years experience), or Bachelor's (20+ years experience) in Computer Science, Statistics, Mathematics, or related. Experience: 14 years relevant experience, with >10 years as a technical lead. Proven track record in leading end-to-end data science projects at large scale (billions of data points). Technical Expertise: Strong ML experience (supervised/unsupervised, NLP, classification, deep learning, generative AI). Computer Vision (image processing, object detection, CNNs). Advanced ML techniques: forecasting, optimization, causal inference, recommendation systems, Graph ML. Experience with large-scale big data analytics. Expertise with LLMs, VLMs, embeddings, vector databases, RAG, prompt engineering, model tuning. Proficiency in Python, PySpark, OpenCV, C++, TensorFlow, PyTorch. Familiarity with big data platforms (Hadoop), cloud platforms (Google Cloud, Vertex AI), MLOps tools (Kubeflow, Kafka, CI/CD). Minimum Qualifications Bachelor's + 6 years in analytics or related field OR Master's + 4 years OR 8 years analytics experience (without degree) Preferred Qualifications Not explicitly listed, but implied are leadership, scale, and advanced technical skills. About Walmart Global Tech Focused on impacting millions with technology. People-led, tech-empowered culture. Opportunities for career growth and innovation. Flexible hybrid work environment. Comprehensive benefits and inclusive culture.