Walmart

Director, Data Science

Walmart$132K — $260K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Master's degree in Information Systems, Information Technology, or related field with 4 years in analytics; OR Bachelor's degree in similar field with 6 years in analytics.
  • Proven experience in managing a team of data scientists, specifically in AI/ML solutions for fraud detection.
  • Expertise in training and deploying supervised and unsupervised machine learning models using Python/Spark.
  • Ability to analyze large datasets for transaction patterns and retail data insights.
  • Proficiency in designing and developing KPI reports using SQL and Tableau.

Responsibilities

  • Collaborate with stakeholders to enhance user interface efficiency and model usability.
  • Write and refine code for various applications based on technical and business requirements.
  • Analyze complex business problems, question assumptions, and recommend technology-focused solutions.
  • Lead exploratory analysis and design experiments to test hypotheses and business strategies.
  • Mentor junior team members on modeling techniques and best practices in data science.
  • Ensure the quality and validation of models through rigorous evaluation metrics and documentation.
  • Oversee the development and deployment of machine learning models, focusing on lifecycle management.

Benefits

  • Opportunity to mentor and lead a dynamic team of data scientists.
  • Engagement with advanced technologies, including Azure/GCP and modern data frameworks.
  • Potential for significant impact on fraud detection and business processes in a leading retail context.
  • Access to ongoing professional development opportunities in a cutting-edge field.
Full Job Description
What you'll do...

Position: Director, Data Science

Job Location: 811 Excellence Dr, Bentonville, AR 72716

Duties: Collaborates with stakeholders to support user interfaces and promote model usability at scale. Writes code using appropriate languages (e.g., SQL, Python, Java) based on technical and business needs. Develops and tests features, creates POCs, deploys software, documents code, and updates progress. Applies relevant software testing techniques. Applies best practices in visualization for complex data using tools like Tableau, PowerBI, Python, and R libraries. Communicates insights through structured storytelling formats and influences decision-making through visual narratives. Analyzes business problems within their discipline, questions assumptions, and identifies root causes. Recommends technology-focused solutions, defines success criteria and key metrics, and quantifies business impact to create effective solutions. Translates business requirements into strategies and initiatives aligned with organizational goals. Evaluates business cases, articulates ROI, challenges assumptions, and delivers demonstrable value. Defines and identifies suitable data sources aligned with business requirements. Performs data quality checks and guides junior associates on data selection and quality. Leverages understanding of business systems, distributed datastores (SQL, NoSQL), and success metrics to prioritize data needs. Selects appropriate modeling techniques for large-scale, structured and unstructured data. Conducts exploratory analysis, designs experiments, and creates test-and-learn frameworks. Develops models using advanced ML techniques and collaborates on feature development. Mentors team on experimentation and modeling methods. Identifies model evaluation metrics and applies best practices for testing and tuning. Assesses model accuracy, fit, robustness, and documents testing processes to ensure validation quality. Deploys models and ensures sustainability through lifecycle management and monitoring practices. The role will also supervise: 2: Staff Data Scientist; 3: Data Scientists; 4: Senior Data Scientists.

Minimum education and experience required: Master's degree or the equivalent in Information Systems, Information Technology, or related field plus 4 years of experience in analytics or related experience; OR Bachelor's degree or the equivalent in Information Systems, Information Technology, or related field plus 6 years of experience in analytics or related experience.

Skills required:Must have experience with: Managing a team of data scientists that implement AI/ML solutions in area of Fraud modeling; Training and deploying supervised classification models using Python/Spark to detect fraud in real-time; Training and deploying unsupervised network & cluster models using Python/Spark to detect fraud anomalies; Mining large datasets to discover transaction patterns, examine retail data (orders, sales, returns) and isolate targeted information using traditional & advanced data science techniques; Designing and developing KPI reports using SQL & Tableau to monitor real-time performance of models; Implementing Machine Learning algorithms including Supervised (Regression/LASSO, SVM, Neural Networks, etc..) and Unsupervised (Association, Clustering, etc.); Conducting data and model drift analysis on production environment to identify inconsistencies & anomalies; Utilizing statistical & data management tools & languages (Python, SQL, SAS) to provide insights & data solutions to business problems; Working with a team from multiple disciplines, including engineering and product management to build new applications and improve business processes; Azure / GCP for scalable deployment containerization (Docker, Kubernetes); Vector databases (Pinecone, Weaviate, FAISS, Milvus); Frameworks (LangChain, AutoGen, CrewAI, Haystack. Employer will accept any amount of experience with the required skills.

Rate of pay: $132,621.00 - 260,000.00/year

About Walmart

WalmartLabs is accelerating their development to redefine the shopping experience to meet the changing needs of our customers wherever they are —in a store, on our website, or on their mobile device.

Walmart Careers

Joining Walmart means becoming part of a world-renowned team that leads with innovation and is committed to creating impact. As the largest retailer globally, Walmart offers unparalleled job opportunities and career growth in an environment that values diversity and leadership. Work You’ll Do At Walmart, you will be part of a dynamic team that drives our mission to help people save money so they can live better. Engage in work that matters with a company that offers both stability and the flexibility to explore different career paths. Transform the retail landscape with your skills and help shape the future of millions of customers worldwide. Walmart is at the forefront of combining retail with advanced technology, making it an exciting place for professional growth and innovation. Lead with Us Step into a role that harnesses your potential and places you at the intersection of retail and technology. Walmart is not just a company; it's a community where you can develop your leadership skills and contribute to a culture that nurtures professional growth. Work with a diverse team of experts who bring a wealth of knowledge and experience to the table. Our commitment to diversity training ensures that all team members are valued and can thrive. Walmart Careers and Employment Opportunities We are continuously expanding our team to include enthusiastic professionals eager to drive change and make a significant impact. Explore a range of positions from entry-level to executive, each offering competitive benefits and the opportunity to advance. Innovate with Us Join Walmart and be part of a team that is dedicated to innovation and excellence. With over 2.3 million associates worldwide, you are joining the largest private employment group, ready to innovate, lead, and impact the global market. Internship Programs Kickstart your career with a Walmart internship. Gain invaluable experience, build your resume, and develop networking connections that will empower your career journey. Our internships provide a platform to apply your academic knowledge in real-world scenarios, preparing you for future employment. Be Part of a Great Team At Walmart, our team is our strength. We invest in our employees through robust training programs, leadership development, and opportunities for career advancement. Enjoy the benefits of working in a supportive and inclusive environment where every member’s contribution is valued. Future-Proof Your Career Your journey at Walmart can be as vast as your ambitions. With endless opportunities to grow, learn, and lead, you can take your professional experience to new heights. Benefit from our comprehensive training programs and develop the skills needed for tomorrow’s challenges. Stay Connected Join Our Team Search open positions that match your skills and interests. We are looking for passionate, curious, creative, and solution-driven team players. Explore the diverse job opportunities at Walmart and find where you can make a difference. Keep Up to Date Stay ahead with career tips, insider perspectives, and industry-leading insights you can put to use today—all from the people who work here. READ CAREERS BLOG Job Alert Emails Personalize your subscription to receive job alerts, latest news, and insider tips tailored to your preferences. Discover the exciting and rewarding opportunities that await at Walmart. SEARCH WALMART JOBS Join Walmart today and be part of a story of growth, innovation, and leadership.
Learn more about Walmart
Size
2,300 employees
Market Cap
$387 billion
Industry
Net Income
$13.5 billion
Founded
1962
5 Year Trend
+3.3%
Revenue
$559.1 billion
NASDAQ

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