Senior Data Scientist

About the job

Position Summary... What you'll do... About Team The Data Science team within the Enterprise Business Services Pillar at Walmart Global Tech leverages cutting-edge machine learning, statistics, and optimization techniques to solve complex business challenges. We transform data into actionable insights, build scalable models, and collaborate with engineering teams to deploy solutions that enhance decision-making across Walmart's vast ecosystem. What You Will Do • Partner with business stakeholders to understand challenges and propose data-driven solutions. • Work closely with Staff and Principal Data Scientists to ensure timely delivery of ML products. • Contribute to the development of ML pipelines and best practices in ML Ops. • Lead medium to large-scale data science projects from ideation to deployment. • Identify opportunities for algorithmic innovation and share learnings across teams. • Evaluate model performance and ensure robust documentation and testing. • Apply a product mindset to build scalable and maintainable data science solutions. • Collaborate with global teams to deliver high-quality analytics solutions. • Stay current with industry trends and contribute to Walmart's data science community. As a Senior Data Scientist, you will: • Develop and implement advanced statistical and machine learning models to support business initiatives across retail and finance domains. • Collaborate with cross-functional teams to gather, validate, and synthesize data into analytics-ready datasets. • Build and train AI/ML models with a focus on scalability and reusability. • Translate analytical insights into actionable recommendations and communicate them effectively to business stakeholders. What You Will Bring • Bachelor's/Master's/Ph.D. in Computer Science, Statistics, Mathematics, or a related field. • 5+ years of experience in data science, with a proven track record of leading projects. • Strong expertise in machine learning techniques including classification, regression, NLP, forecasting, and optimization. • Experience in deploying models in production environments using tools like Vertex AI, Kubeflow, or similar. • Proficiency in Python and PySpark; familiarity with R is a plus. • Experience with cloud platforms such as GCP or Azure. • Exposure to big data technologies like Hadoop, Hive, and MapReduce. • Familiarity with GenAI concepts such as embedding generation, vector databases, and prompt engineering is a plus. • Strong communication skills and ability to influence business decisions through data.

Requirements

• machine learning
• Python
• PySpark
• cloud platforms
• big data technologies

Preferred Technologies

• machine learning
• Python
• PySpark
• cloud platforms
• big data technologies

Benefits

• incentive awards
• maternity and parental leave
• PTO
• health benefits

About the company

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 experts and service professionals within the world's leading retailer who make an epic impact and are at the forefront of the next retail disruption.