Senior, Data Scientist

About the role

We are looking for a Senior Data Scientist who possesses a solid background in machine learning, information retrieval, and large language models (LLMs). The chosen candidate will play a key role in designing and implementing new machine learning models aimed at enhancing customer intelligence and segmentation at Walmart.

Key facts

What you'll do

• Create applications based on generative AI and LLMs, along with multi-agent workflows and various machine learning algorithms to address business needs.
• Lead the collection and validation of data, transforming it into comprehensive analytics datasets to meet project objectives.
• Apply advanced data science techniques and big data analytics to uncover trends, patterns, and anomalies in data, while identifying additional data requirements for insights.
• Construct and refine statistical models and machine learning algorithms for future project replication.
• Develop tailored models and algorithms to provide business solutions and ensure scalability across large datasets.

Requirements

• Proficiency with large language models (LLMs).
• 3 to 5 years of hands-on experience as a data scientist, focusing on building and deploying solutions.
• Strong knowledge of machine learning models, including Logistic Regression, Support Vector Machines, Random Forests, Gradient Boosting Decision Trees, and Deep Neural Networks.
• Familiarity with deep learning frameworks such as TensorFlow and PyTorch.
• Experience with cloud platforms, including Google Cloud Platform (GCP), Amazon Web Services (AWS), and Microsoft Azure.
• Skilled in programming languages Java and Python.
• Bachelor's degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, or a related discipline with 3 years of relevant experience; or a Master's degree in the same fields with 1 year of experience; or 5 years of experience in an analytics-related role.

Nice to have

• PhD in Machine Learning, Computer Science, Information Technology, Operations Research, Statistics, Applied Mathematics, or Econometrics.
• Familiarity with optimization models and data science frameworks like scikit-learn, TensorFlow, or PyTorch.
• Experience in creating inclusive digital experiences, with knowledge of Web Content Accessibility Guidelines (WCAG) 2.2 AA standards and assistive technologies.

Skills & tools

• Machine Learning
• Deep Learning
• Generative AI
• Big Data Analytics
• Java
• Python
• TensorFlow
• PyTorch
• GCP
• AWS
• Azure

Practical notes

Walmart offers competitive salaries, performance-based bonuses, and a comprehensive benefits package that includes medical, vision, and dental coverage. Financial benefits encompass a 401(k) plan, stock purchase options, and company-paid life insurance. Paid time off includes vacation, sick leave, parental leave, and other types of leave. Additional benefits include short-term and long-term disability coverage, employee discounts, and educational support through the Live Better U program, which covers tuition and fees for various educational programs.

The annual salary for this position ranges from $117,000 to $234,000, with additional compensation available based on performance.

Walmart maintains a drug-free workplace and enforces a strict no-tolerance policy regarding illegal drugs and alcohol during work hours. This policy is in place to ensure a safe and productive environment for all employees.