Senior, Data Scientist

Walmart•San Bruno, CA

1d•$117,000 - $234,000•Onsite

About The Position

We are seeking a Senior Data Scientist with a strong foundation in machine learning, information retrieval, and LLMs. The selected candidate will be responsible for architecting and developing new Machine Learning models to enhance Customer Intelligence and Segmentation landscape within Walmart. This is an exciting opportunity for a creative and innovative professional who thrives in a fast-paced, results-driven environment. Experience building machine learning, Deep Learning models, GenAI applications and deploying to production grade platforms. Our team is part of the Data Science Center of Excellence for Customer Data and Identity to build AI Insights and strategic decision-making through cutting-edge data-driven solutions. We specialize in a range of Customer data initiatives building Machine Learning, Deep Learning models, and leveraging Generative AI (GenAI) to produce concise, insightful summaries that empower decision-makers. By integrating these innovative approaches, we strive to drive efficiency, accuracy, and impactful outcomes in financial operations.

Requirements

Experience with Large Language Models (LLMs).
3-5 years of experience as technical on-hands data scientist building and deploying solutions.
Solid understanding of Machine Learning models including Logistic Regression, Support Vector Machine, Random Forest, Gradient Boosting Decision and Deep Neural Networks.
Familiarity with Deep Learning frameworks including Tensorflow and Pytorch.
Experience with Cloud technology including GCP, AWS, and Azure.
Proficient in Java and Python.
Option 1- Bachelor’s degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, or related field and 3 years' experience in an analytics related field.
Option 2- Master’s degree in Statistics, Economics, Analytics, Mathematics, Computer Science, Information Technology, or related field and 1 years' experience in an analytics related field.
Option 3 - 5 years' experience in an analytics or related field.

Nice To Haves

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)
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.
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 generative AI LLM-based applications, multi-agent workflows, machine learning algorithms and computational algorithms based on business initiatives.
Developing GenAI applications/chatbots, MCP, RAG based applications.
Direct the gathering of data, assessing data validity and synthesizing data into large analytics datasets to support project goals.
Utilize big data analytics and advanced data science techniques to identify trends, patterns, and discrepancies in data.
Determine additional data needed to support insights.
Build and train statistical models and machine learning algorithms for replication for future projects.
Develop custom models and algorithms to drive business solutions, and scale them to large data sets.

Benefits

competitive pay
performance-based bonus awards
medical coverage
vision coverage
dental coverage
401(k)
stock purchase
company-paid life insurance
PTO (including sick leave)
parental leave
family care leave
bereavement
jury duty
voting
short-term disability
long-term disability
company discounts
Military Leave Pay
adoption and surrogacy expense reimbursement
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.
annual or quarterly performance bonuses
Stock